In elderly people,the heart has to pump blood | vedclass

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Question

(B) As people age,the walls of the arteries undergo structural changes,primarily the loss of elastin fibers and the deposition of collagen. This leads

Vedclass · Accepted Answer

Decreased elasticity of arteries

Vedclass · Answer

(B) As people age,the walls of the arteries undergo structural changes,primarily the loss of elastin fibers and the deposition of collagen. This leads to a condition known as arteriosclerosis or hardening of the arteries. Because the arteries become less elastic (stiff),they cannot expand and recoil effectively during the cardiac cycle. Consequently,the heart must exert more force to push blood through these rigid vessels to maintain systemic blood pressure. Therefore,the correct answer is $B$.

In elderly people,the heart has to pump blood with more force due to.......

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