your heart speeds up so more blood can reach your muscles. Muscles use oxygen to create the stuff needed for the work in exercise.your heart rate returns to its normal or resting rate fairly quickly
Answer:
I mean it would be burned anyway so 100 I guess
A Carcinogen is a cancer causing agent
Stress at moderate levels that produces positive results is called Eustress
Answer:
the answer is false i hope it help
Explanation:
