Circulatory System Quiz 256 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which main type of white blood cells produces antibodies?

Correct Answer: A) Lymphocytes.

2. Which is NOT a main part of the brain?

Correct Answer: C) Spinal Cord.

3. ..... are blood cells that help to fight infections and diseases

Correct Answer: C) White blood cells.

4. *Your heart pumps about ..... gallons of blood every day.

Correct Answer: B) 2000.

5. What carries your oxygen?

Correct Answer: A) Red blood cells.

6. Where does most digestion take place?

Correct Answer: B) Small intestine.

7. ..... is present almost at centre in thoracic cage.

Correct Answer: A) Heart.

8. The heart and ..... are organs of the blood circulatory system.

Correct Answer: B) Blood vessels.

9. Exercise, fever, stimulants, excitement, fear are all things that will ..... the heart rate

Correct Answer: A) Increase.

10. The lungs are a major organ in which body system?

Correct Answer: D) Respiratory.

11. Which blood vessels generally carry blood away from the heart?

Correct Answer: B) Arteries.

12. The heart is as big as your .....

Correct Answer: C) Fist.

13. Arteries have valves but veins do not have valves.

Correct Answer: B) True.

14. Which type of system would have a respiratory and circulatory system?

Correct Answer: B) Multicellular.

15. Which of these is a common problem of the circulatory system?

Correct Answer: C) High Blood Pressure.

16. Red bull and other stimulants can cause ..... which if not controlled could be lethal.

Correct Answer: A) Tachycardia.

17. ..... are tiny blood vessels that connect arteries and veins.

Correct Answer: D) Capillaries.

18. Fossils are formed in ..... rocks

Correct Answer: B) Sedimentary.

19. White blood cells (WBC's), red blood cells (RBC's), plasma, & platelets are the 4 parts of what?

Correct Answer: D) Blood.

20. Which of the following cells are circular in shape?

Correct Answer: B) RBC.