With advancing age, the major change in the cardiovascular system involves:
A) irregular impulse conduction in the heart.
B) a reduced number of collagen fibers to support cardiac muscle.
C) vascular degeneration, leading to arteriosclerosis and atherosclerosis.
D) the heart valves becoming thin and weak.

Question

Quizplus · Accepted Answer

With advancing age, the major change in the cardiovascular system is vascular degeneration, which leads to arteriosclerosis (hardening of the arteries) and atherosclerosis (plaque buildup in the arteries). These changes can significantly affect cardiovascular health.

With Advancing Age, the Major Change in the Cardiovascular System