The figure shows blood circulation in humans | vedclass

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(D) In the given figure: $A$ represents an artery,which has a thick muscular wall to withstand high pressure. $B$ represents a capillary,which is a si

Vedclass · Accepted Answer

$D-$ Pulmonary vein: Carries oxygenated blood to the heart,$PO_2 = 95 \, mm \, Hg$.

Vedclass · Answer

(D) In the given figure: $A$ represents an artery,which has a thick muscular wall to withstand high pressure. $B$ represents a capillary,which is a single-cell layer thick to facilitate the exchange of materials. $C$ represents a vein,which has a thin wall and a large lumen. $D$ represents the pulmonary vein,which carries oxygenated blood from the lungs to the left atrium $(LA)$ of the heart. The partial pressure of oxygen $(PO_2)$ in the pulmonary vein is approximately $95 \, mm \, Hg$. Therefore,option $D$ is the correct identification.

The figure shows blood circulation in humans with labels $A$ to $D.$ Select the option that correctly identifies the label and the functions of the part.

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