Circulatory System Quiz 24 (25 MCQs)

Quiz Instructions:

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1. Blood flows from the right atrium to the _____

2. What is the name of the circulation between the heart and lungs?

3. Which part of the heart pumps deoxygenated (oxygen-poor) blood?

4. Which of the following are the blood vessels that have the thickest walls?

5. A part of the blood that fights infection

6. How many types of blood vessels are in our body?

7. The erythrocytes originate from the.

8. Which blood vessels take blood TO the heart?

9. Blood of cockroach is.

10. Disease producing organisms.

11. The part of blood that carries oxygen and carbon dioxide

12. Each red corpuscle in man has.

13. The Vena Cava delivers blood to the heart into the _____

14. Blood is formed in the human adult by the.

15. Carries oxygen rich blood and nutrients away from the heart to all parts of your body

16. The vena cana carries blood from

17. Process involving the passage of materials into an organism

18. What is the function of a valve?

19. All is correct about red blood cells EXCEPT _____

20. What is the innermost layer of the heart?

21. Where is oxygenated blood found?

22. Is the heart a muscle

23. The heart is made up of what kind of muscle?

24. Receives blood from the right atrium and pumps the blood into the pulmonary artery, which carries the blood to the lungs for oxygen

25. It is a strong muscle between the lungs