Maximum amount of oxygen is lost from the blo | vedclass

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(A) Gaseous exchange between blood and tissue cells occurs in the systemic capillaries. As blood flows through the capillary networks in various tissu

Vedclass · Accepted Answer

Capillaries surrounding the tissue cells

Vedclass · Answer

(A) Gaseous exchange between blood and tissue cells occurs in the systemic capillaries. As blood flows through the capillary networks in various tissues,it supplies oxygen to the cells in exchange for carbon dioxide. The partial pressure of oxygen $(P_{O_2})$ in tissue fluids is approximately $40 \; mm \; Hg$,whereas in the arterial blood supplying the tissues,it is about $95 \; mm \; Hg$. This significant pressure gradient ensures the rapid dissociation of oxyhaemoglobin and the diffusion of oxygen into the tissue cells. Therefore,the maximum amount of oxygen is lost from the blood as it passes through the capillaries surrounding the tissue cells.

Maximum amount of oxygen is lost from the blood in the

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