Circulatory System Quiz 22 (25 MCQs)

Quiz Instructions:

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1. How fast does your heart beat in a minute?

2. The first chamber of the heart the blood from the body enters is the _____

3. The bottom chambers of the heart are called

4. What do white blood cells do?

5. Period of relaxation of the heart

6. What does a ventricle do

7. The average ratio of white blood corpuscles to red blood corpuscles in the adult human is.

8. The opening of the aorta is guarded by.

9. What are the two (2) primary circulatory loops in the human body?

10. What is the main function of the heart?

11. All of the following act as our defense against foreign microorganisms, except:

12. Blood circulation from the heart to the rest of the body is called

13. How does blood leave your heart?

14. A hollow, muscular organ that pumps blood throughout the body.

15. What would happen if your arteries cannot deliver blood?

16. How many components of blood are there?

17. Period of contraction of the heart

18. The blood corpuscles that help to build up resistance against disease are.

19. A person belonging to blood group A has in his red corpuscles antigen.

20. Which of the following is NOT a real blood type?

21. Cell fragments used in blood clotting.

22. The _____ bring oxygenated blood from the lungs $\rightarrow$ heart

23. You obtein the oxygen your body needs through _____

24. The arteries carry the blood to a different blood vessel called _____ Here substances (like oxygen) are released into organ tissues.

25. Removal of calcium from freshly collected blood.