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movement of oxygen from the lungs to the blood and of carbon dioxide from the blood to the lungs
movement of oxygen from blood to the tissue cells and of carbon dioxide from tissue cells to blood
actual site of gas exchange composed of respiratory bronchioles alveolar ducts and alveoli
abdominal straining during defecation the glottis closes to prevent exhalation and abdominal muscles contract causing intra-abdominal pressure to rise
procedure in which air in victims lungs is used to pop out an obstructing piece of food
the difference between the intrapulmonary and intrapleural pressures that keeps the air spaces of the lungs open
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