To most likely exercise stay in shape!
Hope I helped.
Answer:
The heart is made of three layers of tissue. Endocardium, the thin inner lining of the heart chambers that also forms the surface of the valves. Myocardium, the thick middle layer of muscle that allows your heart chambers to contract and relax to pump blood to your body.
Explanation:
Answer:
be careful who you hang around with, tell someone you fell pressured, take time for yourself, ask your parents, etc.