Circulatory System Quiz 113 (20 MCQs)

Quiz Instructions

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1. Red blood cells main function is to .....

Correct Answer: D) Carry carbon dioxide and oxygen.

2. The ARTERIES and VEINS are similar to a

Correct Answer: C) Roads.

3. The right side of the heart pumps blood without oxygen to the lungs only.

Correct Answer: A) True.

4. The only externally visible part of the respiratory system is

Correct Answer: A) Nose.

5. Blood travels to the lungs to

Correct Answer: C) Get oxygen and get rid of carbon dioxide.

6. Which blood vessels deliver blood to our liver, stomach, and kidneys?

Correct Answer: A) Arteries.

7. The upper chamber of the heart is

Correct Answer: B) Atrium.

8. An open circulatory system is found in which group of animals?

Correct Answer: B) Shellfish, insect.

9. Arteriosclerosis

Correct Answer: A) Cardiovascular system.

10. It is a characteristic of arrhythmia

Correct Answer: B) Describes an irregular heartbeat.

11. Your brain does not need oxygen.

Correct Answer: B) False.

12. How many chambers in the heart of an amphibian?

Correct Answer: C) 3.

13. There are ..... chambers in the heart

Correct Answer: A) 4.

14. Which vessels exchange gases and nutrients?

Correct Answer: C) Capillaries.

15. What do you call the circulation pathway between the heart and lungs?

Correct Answer: B) Pulmonary circulation.

16. To donate blood you must be at least .....

Correct Answer: B) 16.

17. To inhale the diaphragm

Correct Answer: A) Contracts.

18. It is a muscular organ that pumps blood throughout the body.

Correct Answer: A) Heart.

19. What is the shape of a red blood cell?

Correct Answer: D) Biconcave.

20. What are the four major blood groups?

Correct Answer: C) A, B, AB, and O.