To improve your cardiovascular fitness:
A. Include a minimum of 20-30 minutes of aerobic activity 3-4 times a week.
B. Use weights or resistance to build your muscles.
C. Perform push ups and curl ups daily.
D. Stretch every day.

Respuesta :

jcogan

Answer:

A. Include a minimum od 20-30 minutes of aerobic activity 3-4 times a week

Explanation:

Though all answers will help your body and cadiovascular system, A seems like the best answer since it will help improve your system the most.

The answer is A for edmentun