Which of the following is not an age-related change affecting the heart?
A) atherosclerosis
B) decline in cardiac reserve
C) fibrosis of cardiac muscle
D) thinning of the valve flaps
Answer: D
Which of the following is not an age-related change affecting the heart?
A) atherosclerosis
B) decline in cardiac reserve
C) fibrosis of cardiac muscle
D) thinning of the valve flaps
Answer: D