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6. How many coronary arteries are there?

  • Two
  • Five
  • Three

7. The second circulatory system does what?

  • Allows reflexes to happen
  • Carries oxygenated blood around the body
  • Carries deoxygenated blood to the lungs

8. The first circulatory system does what?

  • Carries deoxygenated blood to the lungs and then the blood returns to the heart
  • Carries oxygenated blood around the body
  • Carries hormones around the body

9. What is the purpose of platelets?

  • Small fragments of cells that help clot blood
  • Other cells feed on them
  • They carry blood to the heart

10. What is the purpose of white blood cells?

  • They are part of the female reproductive system
  • To help fight infection
  • Carry oxygen around the body

11. What is the purpose of red blood cells?

  • They help the body fight infection
  • They transport oxygen from the lungs to the rest of the body
  • They carry nutrients to the body

12. How does the left ventricle pump blood through the whole body?

  • Capillaries
  • Aorta
  • Veins

13. How does the left atrium receive oxygenated blood from the lungs?

  • Pulmonary Vein
  • Capillaries
  • Pulmonary Artery

14. What is the purpose of plasma?

  • It is a liquid that carries nutrients, antibodies, hormones and waste
  • Help the blood to clot
  • Carry blood from the heart

15. How does the right atrium receive deoxygenated blood

  • Vena Cava
  • Aorta
  • Veins