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Biology : Human Circulation


Given the QUESTION, identify the ANSWER

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Multiple choice

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1.

In a normal adult, the red blood corpuscles are produced in the liver.

  True

  False

 

2.

During the atrial systole, the openings of the pulmonary vein and the vena cava are _______.

  closed

  open

 

3.

During the ventricular systole, the semilunar valves are closed.

  True

  False

 

4.

The _______ of the heart pumps the blood up to the lungs only.

  right auricle

  left auricle

  right ventricle

  left ventricle

  Half-n-half Clue
 

5.

When the auricles of the heart contract, the ventricles relax, and vice versa.

  True

  False

 

6.

The cardiac veins carry blood to the walls of the heart.

  True

  False

 

7.

The process of circulation of blood in the heart begins with the _______ of the auricles of the heart.

  contraction

  relaxation

 


 
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