Circulatory System Quiz 295 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The smallest blood vessels are:

Correct Answer: C) Capillaries (blue).

2. What does the heart sit between in your chest?

Correct Answer: D) Your lungs.

3. A heartbeat is a cycle of CONTRACTION and RELAXATION of our heart muscles.

Correct Answer: A) True.

4. IDENTIFY PART A

Correct Answer: A) PULMONARY ARTERIES.

5. Name the vein which carries deoxygenated blood from the body to the heart heart.

Correct Answer: A) Vena cava.

6. Largest artery in the body?

Correct Answer: A) Aorta.

7. Stop bleeding and form clothing

Correct Answer: D) Blood platelets.

8. Which organ of the circulatory system pumps blood throughout the body?

Correct Answer: D) Heart.

9. The exchange of oxygen and carbon dioxide takes place in these vessels.

Correct Answer: D) Lung capillaries.

10. How are the diagram and photograph similar?

Correct Answer: A) Both are illustrations of a heart.

11. Im the magic healer I help in preventing hair loss by forming blood clots.

Correct Answer: B) Platelets.

12. These are blood vessels that carry blood AWAY from the heart.

Correct Answer: D) Arteries.

13. What is the term used for a group of tissues working together?

Correct Answer: A) Organ.

14. Ready for a little biology fun? Let's dive into the human body! Can you tell me what superpower platelets have?

Correct Answer: B) Helping blood clot.

15. How does blood get from the right ventricle to the lung?

Correct Answer: C) Pulmonary artery.

16. "There is more carbon dioxide than oxygen in exhaled air." Is this statement true or false?

Correct Answer: B) False.

17. Waste products include dead blood cells and carbon dioxide.

Correct Answer: A) True.

18. ..... is a fluid part of the blood.

Correct Answer: A) Plasma.

19. True/FalseWBCs function is to clot blood when there is an injury.

Correct Answer: B) False.

20. The most inner layer of a blood vessel is ..... ?

Correct Answer: C) Intimate tunic.