What are the three layers of the heart?
Endocardium, Myocardium, and the Epicardium.
It is made out of metal and plastic, and has a small pumping chamber lined by a special material that stops blood clots from forming.
What are the four chambers of the heart?
The upper two chambers are the left and right atria and the lower two chambers are the left and right ventricles.
T and B cells
Thymus cells & Bone marrow cells
What are the two valves of the heart?
Atrioventricular and Semilunar.
Transports blood to all body tissues, delivers nutrients, oxygen, removes waste,and regulates body temperature.
The left side and the right side pumps blood to where?
The left side pumps blood to the entire body and the right side pumps blood only to the lungs.
-They use to have huge pumps now they are much smaller.
-They had electricity which didn't allow them to swim but now they are developing internal batteries.