Answer:
Yes, both the heart and arteries contract to pump blood.
Obese individuals are more likely to develop diabetes
no you can not be pregnant if you get your period late.
The warm-up period before a workout allows the persons muscles to stretch out, and work up to the more intense workout, without hurting, tearing, or injuring. It increases heart rate, which loosens up joints, and increases blood flow to muscles, all which prevents the person from getting hurt.
