Which of the following does not have a muscul | vedclass

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Question

(A) The circulatory system consists of blood vessels including arteries,arterioles,capillaries,and veins.Arteries,arterioles,and veins possess a muscu

Vedclass · Accepted Answer

Capillaries

Vedclass · Answer

(A) The circulatory system consists of blood vessels including arteries,arterioles,capillaries,and veins.Arteries,arterioles,and veins possess a muscular wall (tunica media) to regulate blood flow and pressure.Capillaries are the smallest blood vessels,consisting only of a single layer of endothelial cells.They lack a muscular wall,which allows for the efficient exchange of gases,nutrients,and waste products between the blood and surrounding tissues.

Column-$A$	Column-$B$
$(1)$ Aorta	$(A)$ Carries deoxygenated blood from the heart to lungs
$(2)$ Capillaries	$(B)$ Largest blood vessel
$(3)$ Pulmonary artery	$(C)$ Tiny blood vessels where exchange of gases occurs
$(4)$ Veins	$(D)$ Blood vessels that carry blood back to heart

Which of the following does not have a muscular wall?

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