Answer:
Aheart attack is a build up of cholestorol that prevents the blood from flowing through the body which leads to cardiac arrest.
Explanation:
Viruses are very small infectious agents that only replicate in living hosts.
Answer:
a
Explanation:
its more direct..it makes more sense
Small intestine. is where most nutrients are absorbed in the human body.
Answer:
Cardiovascular helps improve the heart, lungs, and blood flow. This is due to the exercises being ones that exercise mainly the heart and get the blood pumping.
Explanation:
