Circulatory System: Structure and Function
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Questions and Answers

What is the primary function of the circulatory system?

  • To facilitate digestion and absorption
  • To protect the body from external damage
  • To regulate body temperature
  • To transport blood, oxygen, and nutrients to the body (correct)

What is the approximate weight of the heart in males?

  • 250-280g
  • 300-330g
  • 200-220g
  • 280-310g (correct)

What is the wall between the right and left ventricles called?

  • Interventricular septum (correct)
  • Ventrical membrane
  • Septum auricularum
  • Interatrial septum

What is the purpose of the superior and inferior vena cava?

<p>To return venous blood from the vessels to the right atrium (D)</p> Signup and view all the answers

How many chambers does the heart have?

<p>4 (D)</p> Signup and view all the answers

What is the name of the valve that separates the right atrium and ventricle?

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

Which of the following layers of the heart contains the heart muscle?

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

What happens to the blood in the lungs during the blood flow process?

<p>Carbon dioxide is removed and oxygen is added (C)</p> Signup and view all the answers

Which artery carries deoxygenated blood?

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

What is the name of the valve that separates the left ventricle and aorta?

<p>Aortic semilunar valve (C)</p> Signup and view all the answers

What is the name of the innermost layer of the heart that lines the heart?

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

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