in Breathing and Respiration (Respiratory System) by

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Artificial respiration is an emergency procedure for maintaining the flow of air into and out of the lungs when the natural breathing reflexes are absent or are insufficient. Artificial respiration is required in cases of respiratory paralysis, drowning, poisoning, electric shock, choking, and inhalation of smoke or poisonous fumes. It also may be required during a surgical operation on the thorax or abdomen when muscle relaxing drugs are administered.
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