Question

12. How does regular exercise

improve cardiovascular function during
times of stress?
A. It reduces carbon dioxide supplies and raises
triglyceride levels.
B. It increases oxygen supplies and lowers
triglyceride levels.
C. It reduces the amount of endorphins released
in the body
D. It increases the level of hormones circulating
in the body.

Answer 1

The answer is B I believe

Answer 2

B

Step-by-step explanation:

Regular exercise improves cardiovascular function during times of stress in that: It increases oxygen supplies and lowers triglyceride levels.