The Heart Questions & Answers

1.  The heart is a “single” or “dual” pump organ?
          Dual

2.  Blood enters into the right atrium or ventricle first?
          The right atrium

3.  There are two ventricles and two atriums in the heart. One ventricle pumps blood to the _______ and the other ventricle pumps blood to the ________?
          The left ventricle pumps blood through the rest of the body, and the right ventricle pumps blood to the lungs.

4.  Oxygenated blood is carried to the left or right side of the heart?
          Left

5.  Deoxygenated blood returns from the body to the left or right side of the heart?
          Right

6.  The heart has two pumps. The pump to the lungs is called the ___________ and the pump that sends blood to the body is called ________?
          Pulmonary circuit and systemic circuit

7.  Which heart chambers are smaller and less powerful pumps? The atria or the ventricles?
          Atria

8.  What are the four great vessels of the heart called?
          Superior vena cava, inferior vena cava, pulmonary trunk, and aorta

9.  Oxygenated blood returns to the heart from the lungs through the pulmonary “arteries” or pulmonary “veins”?
          Pulmonary veins

10.  Bonus: What are the only veins in the body that carry oxygenated blood?
          Pulmonary veins