Answer:
Endocrine is the correct answer.
Explanation:
Stress makes you nervous almost and makes our heart go faster and your brain think??? it could give you a heart attack?? i wouldn't trust this lol
Answer:
A warmup gradually revs up your cardiovascular system by raising your body temperature and increasing blood flow to your muscles. Warming up may also help reduce muscle soreness and lessen your risk of injury. Cooling down after your workout allows for a gradual recovery of preexercise heart rate and blood pressure.
