Cardiovascular system

1.What is the main job of the cardiovascular system?
A.Pump blood throughout body..
B. Control body movements.
C. Produduce calcium
D.None of the above
2.Name an organ in this system?
A.Liver
B.Heart
C.Lungs
D.Brain
3.True or false the right atrium receives blood as it returns from the body cells.
True
False
4.True or false Pulmonary Valve: prevents the blood from flowing back into the right ventricle.
True
False
5.True or false Coronary artery disease-narrowing of the arteries.
True
False
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