Circulatory System Quiz 6 (25 MCQs)

Quiz Instructions:

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1. The pulse wave in the arteries is.

2. Venous blood has the colour.

3. What does insulin allow to enter the cells

4. Which heart valves are NOT actively closed by the contraction of muscular structures?

5. A blood vessel that carries blood TO the heart is called _____

6. What is the fifth path of blood through the heart?

7. Tubes that carry blood to every part of your body

8. What type of blood vessel returns blood to the heart?

9. The two lower chambers of the heart are called _____ and they PUMP blood.

10. In our circulatory system there are

11. Tiny blood vessels with very thin walls through oxygen, wastes, and nutrients pass are called

12. What is the function (job) of the white blood cells?

13. Why does gas exchange in the capillaries and not the veins/arteries?

14. The vessel whcih supplies blood to the heart is.

15. The left atrium pumps the blood to the _____

16. What is an antigen?

17. This particular blood vessel carries oxygenated blood to the heart coming from the lungs.

18. What is function of blood vessels and capellaries?

19. A blood vessel that takes blood AWAY from the heart to the body's organs is called _____

20. The direction of blood flow through the human body is maintained by:

21. Circulation that brings oxygen to all the cells in your body that need it and removes their waste products is known as

22. Which of the following is thicker, more elastic, and more muscular than other blood vessels?

23. What circulation provides oxygenated blood to the heart?

24. The flow of blood through the heart to the lungs is called _____

25. What is the purpose of the circulatory system?