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What are the potential etiologies for altered ventilation and diffusion? How does altered ventilation and diffusion develop?

Sagot :

Ventilation, diffusion and perfusion. - Expiration, when the intrapulmonary pressure is higher than the atmosphere, air will flow out of the lungs. ... Perfusion refers to the blood flow to tissues and organs. Alveoli are perfused by capillaries so the diffusion of oxygen and carbon dioxide can take place.