Mechanism of respiration ppt

  1. Four Respiration Processes Malfunctions & Diseases of the Respiratory System asthma A severe allergic reaction characterized by the constriction of bronchioles bronchitis Inflammation of the lining of the bronchioles emphysema A condition in which the alveoli deteriorate, causing the lungs to lose their elasticity pneumonia Caused by the.
  2. Mechanism of respiration The movement of air into and out of lungs is brought about by changes in the size of the thoracic cavity, the lungs following these changes passively. These changes takes place by the activity of a group of muscles called respiratory muscles. In normal respiration breathing movement consists of an active inspiration.
  3. Respiratory system function Respiratory systems allow animals to move oxygen (needed for cellular respiration) into body tissues and remove carbon dioxide (waste product of cellular respiration) from cells. Gas exchange by Diffusion Some animals simply allow gases to diffuse through their skins. These animals have a low metabolic rate
  4. , Tidal volume of approx. 500 ml. Adjusted to the requirements of the body. Spontaneous respiration - rhythmic discharge of motor neurons that innervate the respiratory muscles. Friday, June 17, 2016. 4
  5. Respiration - pyruvate oxidation, the Krebs cycle, and the ETS Pyruvate, a 3 carbon molecule is oxidized to acetate (producingacetate (producing CO2 and NADH) and combined with Coenzyme-A to form Acetyl Co-A in ppp greparation for sending the remaining carbons of acetate into the Krebs cycleKrebs cycle. In eukaryotes, all steps of respiration.
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Respiratory Physiology - PowerPoint PPT Presentation. Title: Respiratory Physiology. 1. Breakdown of Topics in Respiratory Physiology. Ventilation, Gas Exchange, Control of Respiration. Respiratory Physiology. 2. Functions of the Respiratory System. Respiration View and Download PowerPoint Presentations on Mechanism Of Breathing PPT. Find PowerPoint Presentations and Slides using the power of XPowerPoint.com, find free presentations research about Mechanism Of Breathing PPT Breathing Mechanisms Processes of Respiration 1) Pulmonary Ventilation (Air moves in and out of lungs) 2) External. Source. World's Best PowerPoint Templates - CrystalGraphics offers more PowerPoint templates than anyone else in the world, with over 4 million to choose from. Winner of the Standing Ovation Award for Best PowerPoint Templates from Presentations Magazine. They'll give your presentations a professional, memorable appearance - the kind of sophisticated look that today's audiences expect Mechanism of respiration involves the breathing mechanism and exchange of gases. The gaseous exchange occurs by diffusion in the alveoli. It depends upon the pressure differences between blood and tissues, or atmospheric air and blood. The exchange of gases takes place at the surface of the alveolus Mechanism of Respiration in Human (Visited 93,092 times) Tags: Mechanism of Respiration in human, Physiology of Respiration in human, Steps of respiration. Post navigation. Mechanism of Breathing. Respiratory System of Frog. 4 Replies to Mechanism of Respiration in Human ANISH HEMBROM. July 13, 2018 at 11:32 P


internal respiration. cell respiration cell cell respiration respiration takes takes place place when when food food is is oxidised oxidised and and energy energy is is produced. produced. as a conclusion , we obtain our energy from the process of respiration. breathing mechanism there are two stages. 1. air inhalation 2. air exhalation the. Mechanics of respiration - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. this presentation gives an overview of respiratory muscle actions, changes in lung pressures and volumes and the mechanism of respiration The main muscle of respiration is the diaphragm. Other muscles that aid in respiration include the external intercostals, scalenes, sternomastoids, abdominal muscles, and internal intercostals. Diaphragm. In quiet, gentle inhalation, the diaphragm contracts, lowering air pressure inside the lungs and drawing air in (USMLE topics) Physiology of breathing (pulmonary ventilation): air pressure basics, inspiration and expiration cycle, deep breathing, resistance to airflow.. Mechanisms of Apoptosis Apoptosis is a cell mechanism used to eliminate cells that contain mutations, are unnecessary, or dangerous to the body It is critical to normal embryonic development and to cancer preventio

4. Mechanism of Respiration: There are two major phases of respiration: (i) Glycolysis, and (ii) Krebs cycle. During process of respiration, carbohydrates are converted into pyruvic acid through a series of enzymatic reactions. This series of reactions is known as glycolysis which takes place in cytosol SUPPORT | https://www.gofundme.com/ninja-nerd-scienceNinja Nerds,Join us in our three part series on the mechanics of breathing. During this video, we discus..

The Mechanism of Human Respiration in Detail Human respiration is dependent upon the interaction of acetylcholine molecules with acetylcholine esterase receptors on the diaphragm muscle. Each time a person takes a breath, nerve endings that contain sacks of acetylcholine are stimulated ADVERTISEMENTS: Human Respiratory System and it's Mechanism! The human respiratory system consists of a pair of lungs and a series of air passages leading to the lungs. The entire respiratory tract (passage) consists of the nose, pharynx, larynx, trachea, bronchi, and bronchioles. Air enters the nose through the nostrils. When air passes through the nose, [ PHYSIOLOGY OF RESPIRATION Respiration includes 2 processes: 1) External respiration - is the uptake of O 2 and excretion of CO 2 in the lungs 2) Internal respiration - means the O 2 and CO 2 exchange between the cells and capillary blood The quality of these respiration processes depends on Internal respiration. Transport of CO2 from tissue. 1. Breathing or Pulmonary ventilation. This is movement of air into and out of the lungs. Breathing supplies oxygen to the alveoli, and eliminates carbon dioxide. The main muscles involved in breathing are the intercostal muscles and the diaphragm RESPIRATORY ZONE is the region of the lung where gas exchange occurs (Fig. 2). The respiratory zone is much larger than the conducting zone and has a volume of about 3 L. It consists of respiratory bronchioles, alveolar ducts and alveoli. The alveoli are small sac-like structures with very thin walls wrapped by capillaries (Fig. 2)

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Two separate neural mechanisms regulate respiration. One is responsible for voluntary control and the other for automatic control. The voluntary system is located in the cerebral cortex and sends impulses to the respiratory motor neurons via the corticospinal tracts. The automatic system is driven by a group of pacemaker cells in the medulla In this article, we shall focus on how our respiratory system is regulated by central and peripheral chemoreceptors. Ventilation, the movement of air in and out of the lungs, facilitates gas exchange. Therefore, the ventilation rate is vital in the regulation of the partial pressures of oxygen (pO2) and carbon dioxide (pCO 2) in the blood

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Mechanism of Respiration. Respiration or pulmonary ventilation, is the process that exchanges air between the atmosphere and the alveoli of the lungs. Air moves into and out of the lungs along an air pressure gradient-from regions of higher pressure to regions of lower pressure. There are three pressures that are important in breathing The functions of the respiratory system are: Oxygen supplier. The job of the respiratory system is to keep the body constantly supplied with oxygen. Elimination. Elimination of carbon dioxide. Gas exchange. The respiratory system organs oversee the gas exchanges that occur between the blood and the external environment. Passageway. Passageways that allow air to reach the lungs Mechanism of Respiration. Respiration, in short, is breathing + gaseous matter exchange. All gases exchange between the surface of the alveolus and is influenced by external factors such as tissues, blood, etc. When the alveolar region diffuses, the gases exchange inside the lungs. There are over 600 million alveoli in the human body Comparative Vertebrate Anatomy. Lecture Notes - Respiratory System. Respiration is the process of obtaining oxygen from the external environment & eliminating CO 2. External respiration - oxygen and carbon dioxide exchanged between the external environment & the body cells. Internal respiration - cells use oxygen for ATP production (& produce. An Introduction to the Respiratory System •Learning Outcomes •23-10 List the factors that influence respiration rate, and discuss reflex respiratory activity and the brain centers involved in the control of respiration. •23-11 Describe age-related changes in the respiratory system. •23-12 Give examples of interactions between th

Figure 23.1 The Components of the Respiratory System PowerPoint Presentation Author: karlm Last modified by 12 An Overview of Key Steps in Respiration Figure 23.13 Respiratory Pressure and Volume Relationships Figure 23.14 Mechanisms of Pulmonary Ventilation Figure 23.15 Pressure Changes during Inhalation and Exhalation Figure 23.16 The. respiratory centers able to auto-regulate respiratory rate May prevent atrophy of ventilatory muscles compared to pure controlled modes of ventilation mechanism that terminates inspiration A/C →inspiration terminated by time PS →inspiration terminated by decreasing gas flo Human Physiology/The respiratory system 3 Inspiration Inspiration is initiated by contraction of the diaphragm and in some cases the intercostals muscles when they receive nervous impulses. During normal quiet breathing, the phrenic nerves stimulate the diaphragm to contract and move downward into the abdomen Functions of The Respiratory System To allow gases from the environment to enter the bronchial tree through inspiration by expanding the thoracic volume. To allow gas exchange to occur at the respiratory membrane, so that oxygen diffuses into the blood while carbon dioxid

Respiratory Protection against certain airborne particulate contaminants, including dusts, fumes, mists, and radionuclides. Impaction and interception are the dominant collection mechanisms for particles greater than 0.2 µm, and diffusion is dominant for particles less than 0.2 µm Types of 'respiration' or gaseous exchange in insects 1. Cutaneous respiration-gaseous exchange directly through the cuticle. Occurs to a limited extend in all insects. Occurs in Protura and those Collembola that lack a tracheal system Wax layer- Impermeability to water loss Epicuticle- Generally impermeability to oxygen but not due to the. 1 Respiratory tract defense mechanisms • Upper airway - Mechanical barriers • Nasal turbinates • Glottis - Reflexes • Cough, sneeze - Maintenance of oropharyngeal flora • Saliva • Bacterial competition • Naturally occurring bacterial binding site analogues • Local immunoglobulins • Lower Airway - Branching airways - Mucociliary escalator • Alveolar space defense


Mechanism of respiration in man takes place in two phases, namely inspiration and expiration. Inspiration is the process of inhaling air into the lungs. During inspiration, the muscles of diaphragm contract and the diaphragm moves downward. This results in the increase in the volume of the chest cavity, The air pressure inside the chest cavity. Human respiratory system - Human respiratory system - The mechanics of breathing: Air moves in and out of the lungs in response to differences in pressure. When the air pressure within the alveolar spaces falls below atmospheric pressure, air enters the lungs (inspiration), provided the larynx is open; when the air pressure within the alveoli exceeds atmospheric pressure, air is blown from the. Differentiate between the mechanisms causing disorders of ventilation and diffusion. Discuss the gases of respiration. (Refer to . PowerPoint slide 2.) Describe the primary lung functions of ventilation and diffusion. (Refer to . Figure 31.2.) Learning Objective 3. Compare the manifestations of hypoxemia and hypercapnia Drugs Affecting The Respiratory System. • Define antihistamine, Decongestant, antitussive and expectorant. • List the drug groups that are used for the COPD and Asthma. • Explain the therapeutic effects, side effect, Toxic level and nursing. consideration. • Calculate the drug dosage accurately while administering oral and parenteral. Respiration in fish or in any entity living in the water differs from that of human beings. Organisms such as fish, living in water, need oxygen to breathe for cells to sustain. Fish possess specialized structures to carry out the respiratory function, helping them inhale oxygen dissolved in water

Mechanism Of Breathing - Explore Mechanism Of Respiration

Regulation of Respiration: Nervous and Chemical Regulation. Two types of mechanisms regulate breathing: nervous mechanisms and chemical mechanisms. Because any changes in the rate or depth of breathing are ulti-mately brought about by nerve impulses, we will con-sider nervous mechanisms first Opioids Respiratory Effects •Suppress respiratory rate, tidal volume, and minute ventilation •Decrease responsiveness to both hypercapnia and hypoxia •Opioid-related sleep hypoventilation may be related to effects at pre-Bot C and hypoglossal nerve (increased upper airway obstruction) Arora N et al Sleep Med Clin 2014; occur in the regulation and control of respiration with the onset of sleep. Furthermore, these changes differ significantly with specific sleep stages. These alterations in respiratory control can result in the pathogenesis of sleep-related breathing disorders and limit the usual respiratory compensatory changes to specific disease states The mechanism is the release of HPV by high concentration of oxygen therapy leading to dead space effect.[18,102] Hutchison et al. proposed an interesting hypothesis that the response to hypoxia may be mediated in part by familial factor and those with this risk are at risk of developing respiratory failure after an asthma attack

Fortunately, the respiratory system has defense mechanisms to clean and protect itself. Only extremely small particles, less than 3 to 5 microns (0.000118 to 0.000196 inches) in diameter, penetrate to the deep lung. Cilia, tiny muscular, hair-like projections on the cells that line the airway, are one of the respiratory system's defense. A comparison between how aquatic and terrestrial animals get oxygen and release carbon dioxide. respiration: the intake of oxygen and the ejection of carbon dioxide. countercurrent exchange: the exchange of a substance between 2 fluids flowing in opposite directions. tracheal system: an internal respiratory organ composed of air tubes that. Respiration involves the oxidation of sugars to produce carbon dioxide, water and heat. The storage life of a commodity is influenced by its respiratory activity. By storing a commodity at low temperature, respiration is reduced and senescence is delayed, thus extending storage life (Halachmy and Mannheim, 1991). Prope It may be related to the complementary cycle of respiration, or the sigh mechanism, that functions to reinflate and reaerate parts of the lungs that have collapsed because of increased surface force during quiet, shallow breathing (Mead and Collier, 1959). In the newborn, inflation of the lungs initiates gasping Respiration in Aquatic Insects . Aquatic insects need oxygen too! This rectal gill mechanism doubles as a jet propulsion system. A sudden, powerful contraction of the abdomen will expel a jet of water and thrust the insect forward — a quick way to escape from predators

Mechanism of Respiration in Human - Microbiology Note

Cheyne-Stokes respiration is a disorder characterised by recurrent central apnoeas during sleep alternating with a crescendo-decrescendo pattern of tidal volume.1 2 It is often observed in patients with congestive heart failure, usually during stages 1 and 2 non-REM sleep when ventilation is under chemical-metabolic control.2 Patients with Cheyne-Stokes respiration usually present with the. Respiratory System of Frog Respiration is a process in which food are oxidized with oxygen in order to release energy. The released energy is utilized to perform various life activities. The metabolic waste like CO2 is eliminated from the body. C6H12O6 6CO2 + 6H2O +energy Due to amphibious mode of life, frog shows different modes of respiration Respiratory Organs and Mechanism of Respiration in Scoliodom. In scoliodon, the respiration is aquatic, i.e., respiration in water and it breathes by means of gills borne in a series of gill pouches on either side of the pharynx. Water enters the mouth and after passing through the buccal cavity, pharynx, gill-pouches and goes out through the.

1 1 BCMB 3100 - Chapters 6, 7, 8 Enzymes - Enzyme Mechanism 2 Mechanisms of Enzymes •Energy diagrams •Binding modes of enzyme catalysis •Chemical modes of enzyme catalysis Acid-Base catalysis Covalent catalysis • Binding modes of enzyme catalysis Proximity effec The respiratory system is one of the most vital systems in the body because it supplies the primary element that keeps everything going which is oxygen. First, we'll be going through the anatomy and physiology, the pathophysiology, and the common diseases associated with the lungs. Then, we'll tackle the two types of respiratory drugs which. Answer. Mechanism of respiration involves five steps:-. Breathing or pulmonary ventilation: It involves both inhalation in which an adequate amount of oxygen is taken inside and exhalation involves removal of carbon dioxide with air. External respiration: This is the exchange of oxygen to the blood and of carbon dioxide from blood to alveoli. The main path physiologic mechanisms of respiratory failure are: Hypoventilation: in which PaCO2 and PaO2 and alveolar-arterial PO2 gradient are normal. Depression of CNS from drugs is an example of this condition. V/P mismatch: this is the most common cause of hypoxemia. Administration of 100% O2 eliminates hypoxemia Vibration of the chest wall activates muscle spindles and when they are activated out of phase with the respiratory cycle in normal humans, a sensation of dyspnoea can be induced, suggesting that the muscle spindles play an important role in production of dyspnoea and that the central mechanism that receives the intercostal afferents may have a.

Respiration. Respiration is a process in which glucose is broken down with the help of oxygen and energy is released along with the production of carbon dioxide and water. There are two types of respiration i) aerobic respiration ii) anaerobic respiration. Aerobic respiration- the process of respiration that takes place in the presence of oxygen Introduction. Oxygen is essential for normal aerobic metabolism in mammals. 1-3 The key reaction occurs in the mitochondria of cells and involves combining a fuel (eg, sugars, fats) with oxygen to produce energy (converting adenosine 5′-diphosphate to adenosine 5′-triphosphate) along with CO 2 and H 2 O. Hypoxia is a state of low oxygen content and partial pressure in the cell

Human Breathing Mechanism Respiratory System Breathin

By 1984, when the National Heart, Lung, and Blood Institute sponsored a workshop on respiratory sensations and dyspnea, investigators were refining methodologies for assessment and quantification of respiratory sensations and examining more closely the neurophysiologic mechanisms producing these sensations Mechanism of Antivenom * Antivenom acts to neutralize the poisonous venom of the cobra and causes the venom to be released from the receptor site. Thus, the receptor sites that were previously blocked by venom are now free to interact with the acetylcholine molecule, and normal respiration resumes (b) Ceiling in efficacy of CAL021 to reverse opioid-induced respiratory depression. At low levels of respiratory depression, a single dose of GAL021. Injected at t=0 is an effective respiratory stimulant (blue line). At deeper levels of respiratory depression, the same GAL021 blue dose is much less effective (green line) Photorespiration (also known as the oxidative photosynthetic carbon cycle, or C 2 photosynthesis) refers to a process in plant metabolism where the enzyme RuBisCO oxygenates RuBP, wasting some of the energy produced by photosynthesis.The desired reaction is the addition of carbon dioxide to RuBP (carboxylation), a key step in the Calvin-Benson cycle, but approximately 25% of reactions by.

Mechanics of Respiration Respiratory System

Respiratory System Theresa Kristopaitis, MD Associate Professor Director of Mechanisms of Human Disease Kelli A. Hutchens, MD, FCAP Assistant Professor Lower Airway Trachea Trachea - Respiratory Epithelium PowerPoint Presentation PowerPoint Presentation Bronchus, secondary Conducting portion: Bronchioles PowerPoint Presentation Bronchiole. respiration can be seen in healthy patients experiencing first-time high altitude sickness, and can also be a normal side-effect of morphine administration. 2. Biot's breathing (aka cluster respiration) a. Definition: A respiratory pattern characterized by periods or clusters of rapid respirations of near equal depth or VT followe

6 Measures of Pulmonary Ventilation Respiratory Volumes- values determined by using a spirometer • Tidal Volume (TV) - amount of air inhaled or exhaled with each breath under resting conditions (500 mL) • Inspiratory Reserve Volume (IRV) - amount of air that can be inhaled during forced breathing in addition to resting tidal volume (3000 to 3300 mL Lesson #2 is on The Anatomy of the Respiratory System which is Part 2 of the Respiratory System 5 Lessons Bundle. This lesson contains a 72 slide Interactive PowerPoint with tasks, videos and a review in the PowerPoint. It also comes with guided student notes, a review of terminology crossword and a paper version of the quiz in the PowerPoint.

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Cellular respiration is the way that cells obtain their energy - usually using oxygen to break down glucose in the cell (aerobic respiration). This Module examines the structures and mechanisms that carry oxygen to the cells for use in aerobic respiration and that eliminate the carbon dioxide that is produced as a by-product. 1 Mechanism of respiration Oxygen enters the spiracle and passes through the length of the tracheae to the tracheoles and into the target cells by a combination of ventilation and diffusion along a concentration gradient, from high in the external air to low in the tissue

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The mechanism of this gas exchange follows Henry's law, which basically says that there is an equilibrium concentration of oxygen that should be dissolved in blood. When blood reaches the lungs, it has less than the equilibrium concentration of oxygen because the body used the oxygen up. Therefore, oxygen diffuses into blood Respiration PPT and PDF Report for Download: When you hear the word 'respire' then you certainly think about breathing.Once you breathe, you're taking in gas with every inhale and releasing CO2 with every exhale. This gas exchange is very important for respiration, however, whereas respiration may be a physical method, respiration may be thought of as a lot of a chemical action


mechanisms to block respiratory tract infection. Mechanical barriers play a significant role in anti-viral defense. For example, the tract is lined with a mucociliary blanket consisting of ciliated cells, mucous-secreting goblet cells, and sub-epithelial mucous-secreting glands (Fig. 2). Foreign particles deposited i The thoracic cage is a component of the thoracic wall and encloses the majority of the structures of the respiratory system. It forms the bony framework for breathing. The dome shaped thoracic cage provides the necessary rigidity for organ protection, weight support for the upper limbs and anchorage for muscles. In spite of its resistance, the cage is dynamic, allowing pulmonary ventilation to. The Respiratory System: Lesson 1 - PowerPoint Worksheet {Editable} by. Tangstar Science. 16. $2.25. Zip. This five page EDITABLE PowerPoint Worksheet with ANSWER KEY has been created to help students stay engaged with and take good notes for The Respiratory System: Lesson 1 PowerPoint - The Importance of Breathing

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RESPIRATION ASSESSMENT AND MANAGEMENT IN TFC VENTED CHEST SEALS § Vented chest seals are for treating penetrating woundsto the chest § Vented chest seals allow air to escapeout of the chest while nonventedchest seals do not § The injured lung will remain partially collapsed, but the mechanics of respiration will be better #TCCC-CLS-PPT-08 4. Mechanism of Respiration: During respiration the floor of the buccal cavity is lowered and the mouth is opened. Then the water rushes in to fill the greatly expanded buccal cavity. The mouth is now closed and the pharynx contracts. The water then enters the gill-pouches and goes out after gaseous exchange through gill-slits Respiration is the process in which organisms exchange gases between their body cells and the environment. From prokaryotic bacteria and archaeans to eukaryotic protists, fungi, plants, and animals, all living organisms undergo respiration.Respiration may refer to any of the three elements of the process. First, respiration may refer to external respiration or the process of breathing.

Respiratory Mechanics of Breathing: Pressure Changes

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Summary. The main function of the respiratory system is gas exchange (O 2 and CO 2).Ventilation is the movement of air through the respiratory tract into (inspiration) and out of (expiration) the respiratory zone ().The physiologic dead space is the volume of inspired air that does not participate in gas exchange. Perfusion of the pulmonary capillaries is closely regulated to match ventilation. Cellular respiration begins when electrons are transferred from NADH and FADH 2 —made in glycolysis, the transition reaction, and the Krebs cycle—through a series of chemical reactions to a final inorganic electron acceptor (either oxygen in aerobic respiration or non-oxygen inorganic molecules in anaerobic respiration) General Goal: To know the major mechanisms of defense in the URT, the major mechanisms invaders use to avoid the defenses of the LRT, the common modes of transmission and the most common microbes that infect a particular location of the respiratory tract. Educational Objectives: The student should be able to:. List the common cause(s) of the diseases in this handout The mechanism of inspiration contains two movement: a. the movements of the ribs upwards and outwards b. the movement of the diaphragm downwards. Rib movement. There are two types of movements of the ribs: pump handle and bucket handle. At end respiratory position, the tendency of the lungs to recoil from the chest wall is just balanced by.

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A key to curbing SARS-CoV-2 is to understand how it enters cells. SARS-CoV-2 and SARS-CoV both use human ACE2 as entry receptor and human proteases as entry activators. Using biochemical and pseudovirus entry assays and SARS-CoV as a comparison, we have identified key cell entry mechanisms of SARS-CoV-2 that potentially contribute to the immune evasion, cell infectivity, and wide spread of the. 7.2 RESPIRATION IN ANIMALS: Respiration in animals takes place as a single unit, the have different types of organs for respiration due to which mode of respiration also varies according to the organism but the basic mechanism is same Start studying Defense Mechanisms of Respiratory Tract. Learn vocabulary, terms, and more with flashcards, games, and other study tools artificial respiration any method of forcing air into the lungs in a person who still has a pulse but whose breathing has stopped. Artificial respiration can be given with no equipment, so that it is an ideal emergency first aid procedure. Ideally, it should be given using a pocket face mask or a bag valve mask; in the absence of emergency resuscitation equipment, mouth-to-mouth resuscitation. with mechanisms of action such as the inhibition of DNA replicating or repair enzymes, interference with tissue respiration and oxidative stress. There is information of transplacental arsenic carcinogenesis and arsenic disruption of endocrine activity but most of these mechanisms remain poorly understood

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