Question

Aerobic exercise can lead to an increase in

A. the number and size of coronary arteries feeding the heart.
B. exercise-related injuries.
C. bone loss related to repeated joint stress.
D. LDL cholesterol levels.

Answer 1

The answer is the letter A 

Answer 2

I say A because i looked it up and it says that during Aerobic exercise You'll breathe faster and more deeply. That maximizes the amount of oxygen in your blood. Your heart will beat faster, which increases blood flow to your muscles and back to your lungs. So i think that your arteries will feed blood to your heart