Exchange of O_{2} and CO_{2} between the bloo | vedclass

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Question

(A) The exchange of gases between the blood and tissues occurs through the process of simple diffusion.This process is driven by the partial pressure

Vedclass · Accepted Answer

Pressure/concentration gradient

Vedclass · Answer

(A) The exchange of gases between the blood and tissues occurs through the process of simple diffusion.This process is driven by the partial pressure gradient of the gases involved.Oxygen $(O_{2})$ moves from the blood into the tissues because the partial pressure of $O_{2}$ is higher in the blood than in the tissues.Conversely,carbon dioxide $(CO_{2})$ moves from the tissues into the blood because the partial pressure of $CO_{2}$ is higher in the tissues than in the blood.Therefore,the exchange is primarily based on the pressure/concentration gradient.

Exchange of $O_{2}$ and $CO_{2}$ between the blood and tissue is based on

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