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Biology : Human Circulation


Given the QUESTION, identify the ANSWER

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Multiple choice

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1.

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

  True

  False

 

2.

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

  relaxation

  contraction

 

3.

The left auricle of the heart receives _______ blood from the lungs.

  deoxygenated

  oxygenated

 

4.

With reference to the heartbeat, the word 'systole' refers to a relaxation phase whereas the word 'diastole' refers to a contraction phase.

  True

  False

 

5.

During the ventricular systole, the semilunar valves are closed.

  True

  False

 

6.

The inferior vena cava carries blood from the upper parts of the body to the heart.

  True

  False

 

7.

Plasma is a constituent of blood.

  True

  False

 


 
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