The figure shows blood circulation in humans | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(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.

Column-$I$	Column-$II$
$a.$ Capillaries	$(i)$ Valves
$b.$ Veins	$(ii)$ Smooth muscles
$c.$ Aorta	$(iii)$ Narrowest blood vessels
$d.$ Tunica media	$(iv)$ Elastic artery

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.

Similar Questions

Arteries carry $O_2$-rich blood except for the:

Match column $I$ with column $II$.
Column-$I$ Column-$II$
$a.$ Capillaries $(i)$ Valves
$b.$ Veins $(ii)$ Smooth muscles
$c.$ Aorta $(iii)$ Narrowest blood vessels
$d.$ Tunica media $(iv)$ Elastic artery

Select the alternative which shows the correct matching.

Assertion : When there is a fall in the blood pressure due to loss of blood volume,this is compensated by vasoconstriction of veins.
Reason : Veins hold the extra amount of blood which can be shifted to the arteries as required.

In a closed circulatory system, there is the presence of ........., but the absence of ..........

Valves are necessary in veins but not in arteries because

Vedclass Test Series

Exam Paper Generator

Online Exam Module