The Circulatory System and the Heart Structure
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Questions and Answers

What is the main function of the heart in the circulatory system?

  • To regulate body temperature
  • To absorb nutrients from the blood
  • To produce blood cells
  • To pump blood for use by the body (correct)

Which part of the heart is responsible for maintaining the flow of blood in one direction?

  • Bicuspid valve (correct)
  • Tricuspid valve
  • Ventricle
  • Auricle

How many chambers does the human heart have?

  • Two
  • Five
  • Four (correct)
  • Three

What is the structure responsible for the pumping of blood into blood vessels?

<p>Ventricle (A)</p> Signup and view all the answers

What is the name of the valve between the right auricle and right ventricle?

<p>Tricuspid valve (D)</p> Signup and view all the answers

What is the name of the valve between the left auricle and the left ventricle?

<p>Bicuspid valve (D)</p> Signup and view all the answers

How many chambers does the human heart have?

<p>Four chambers (C)</p> Signup and view all the answers

What is the main function of the auricle in the heart?

<p>Receiving blood from the body (D)</p> Signup and view all the answers

What is the structure responsible for exchanging gases with the heart?

<p>Lungs (B)</p> Signup and view all the answers

Which part of the heart communicates with the lungs for gas exchange?

<p>Auricle (A)</p> Signup and view all the answers

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