How does regular exercise improve cardiovascular function during times of stress?

a. it reduces the amount of endorphins released in the body.
b. it increases oxygen supplies and lowers triglyceride levels.
c. it increases the level of hormones circulating in the body.
d. it reduces carbon dioxide supplies and raises triglyceride levels.

The right answer is B. It increases oxygen supplies and lowers triglyceride levels.

Sport lowers your triglyceride levels. Running at a moderate pace is the ideal sport to start. 3 studies confirm that regular exercise significantly reduces triglyceride and bad cholesterol levels while increasing good cholesterol. Athletic training can lower blood cholesterol levels by 12%, triglycerides by 22% and high blood pressure by 10%.