Circulatory System Quiz 168 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Blood is blue in the body when deoxygenated.

Correct Answer: B) False.

2. The yellow fluid part of blood that holds blood cells.

Correct Answer: A) Plasma.

3. What is the function of the thrombocytes(platelets)

Correct Answer: C) Help the blood clot.

4. What follows diastole?

Correct Answer: D) Systole.

5. Fight bacteria and viruses by entering infected tissue, destroying bacteria/viruses and absorb dead blood cells

Correct Answer: A) White Blood Cells.

6. Blood vessels may get clogged with age and sometimes filled with .....

Correct Answer: B) Plaque.

7. Which is not a part of the Circulatory system?

Correct Answer: D) The lungs.

8. How many chambers in the heart of a mammal?

Correct Answer: D) Four.

9. Pulmonary vein:from

Correct Answer: B) Lungs.

10. Phlebitis is inflammation of a vein.

Correct Answer: A) True.

11. Are tiny oval-shaped cells that help in the clotting process.

Correct Answer: B) Platelets.

12. Controls blood flow from the right ventricle into the pulmonary arteries, which carry blood to your lungs to pick up oxygen

Correct Answer: A) Pulmonary semilunar valve.

13. A blood cell that is bi-concave in shape and contains hemoglobin is called a/an:

Correct Answer: C) Erythrocyte.

14. Which chamber of the heart pumps with?

Correct Answer: D) Left ventricle.

15. True or False:The circulatory system is necessary for survival.

Correct Answer: A) True.

16. Move or work quickly

Correct Answer: D) Speed Up.

17. Which is NOT an issue that can happen to our lungs?

Correct Answer: D) Stressed lungs.

18. What is the energy molecule?

Correct Answer: B) ATP.

19. Also known as cardiovascular system. Referred to as the "transportation" system of the body. Consists of heart, blood vessels, and blood.

Correct Answer: B) Circulatory system.

20. What is the average adult heart size?

Correct Answer: B) Size of a fist.