The exchange of gases in the alveoli of the l | vedclass

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Question

(A) The exchange of gases ($O_2$ and $CO_2$) between the alveoli and the blood in the pulmonary capillaries occurs primarily through the process of si

Vedclass · Accepted Answer

Simple diffusion

Vedclass · Answer

(A) The exchange of gases ($O_2$ and $CO_2$) between the alveoli and the blood in the pulmonary capillaries occurs primarily through the process of simple diffusion.This process is driven by the partial pressure gradients of the gases.Oxygen moves from the alveoli (higher partial pressure) into the blood (lower partial pressure),while carbon dioxide moves from the blood (higher partial pressure) into the alveoli (lower partial pressure).Simple diffusion is a passive process that does not require metabolic energy.

The exchange of gases in the alveoli of the lungs occurs by .............

Similar Questions

$A$: Diffusion of carbon dioxide is $20$ times faster than oxygen.
$R$: It is due to difference in partial pressure as well as solubility of diffusing gases.

How many layers are present in the diffusion membrane of the alveolus capillary?

The $pCO_2$ of inspired air is . . . . . . $mm \ Hg$ during external respiration.

Diffusion of gases occurs in the alveolar region only and not in the other parts of the respiratory system. Why?

Which of the following is true regarding $CO_2$ concentration?

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