Circulatory System Quiz 109 (20 MCQs)

Quiz Instructions

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1. The primary organ of the circulatory system is the .....

Correct Answer: C) Heart.

2. What is the main organ in the circulatory system?

Correct Answer: C) Heart.

3. The movement of blood through the body is called .....

Correct Answer: B) Circulation.

4. Who makes their own food?

Correct Answer: B) Producers.

5. This is a cluster of blood that is blocking vessels in the brain.

Correct Answer: B) Stroke.

6. Transport oxygen-rich blood from the heart to the body

Correct Answer: B) Arteries.

7. Heart Attack Warning Sign:Rapid or irregular heartbeat

Correct Answer: A) Men.

8. Which valve sits between the left atrium and left ventricle of the heart?

Correct Answer: B) Bicuspid.

9. Which of these cells is responsible for fighting infection?

Correct Answer: B) White blood cell.

10. Which is the small, upper, chambers of the heart?

Correct Answer: A) Atrium.

11. Where does the blood take nutrients from?

Correct Answer: B) Small intestine.

12. How many gallons of blood does the human body pump through its system each day?

Correct Answer: B) 2000 gallons.

13. Which chamber produces the highest pressure in the blood?

Correct Answer: D) Left Ventricle.

14. What is the function of veins?

Correct Answer: B) Transporting carbon dioxide to the lungs.

15. What blood vessel carries deoxygenated blood to the lungs from the heart?

Correct Answer: B) Pulmonary artery.

16. What is the clear, straw colored fluid that is the liquid portion of blood?

Correct Answer: B) Plasma.

17. The air we breathe in is called Oxygen.

Correct Answer: A) True.

18. What does the heart do?

Correct Answer: C) It pumps the blood.

19. What are the main structures of the circulatory sytem?

Correct Answer: C) 1.heart 2.blood vessels 3.blood.

20. Define vascular tissue

Correct Answer: C) Tissue that conducts water and nutrients through the plant body in higher plants.