Circulatory System Quiz 8 (25 MCQs)

Quiz Instructions:

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1. What is the strongest (thickest) part of the heart?

2. A microscopic blood vessel that connects the smallest arteries to the smallest veins.

3. The big artery from which your blood leaves your heart:

4. The part of blood that sticks together to help stop bleeding at a cut

5. What is a system of organs that transport blood throughout the body called?

6. Which statement is TRUE about the arteries?

7. The liquid portion of the blook

8. What is the smallest type of cell in the blood called?

9. To which car part can the heart be compared?

10. What does plasma in your blood do?

11. The transport system in humans consist of _____

12. Open circulatory systems have _____

13. Red blood cells transport _____ around our body.

14. The valve between the right atrium and the right ventricle is called the _____

15. What type of blood cells help fight diseases and infections?

16. Which is the smallest of the 3 blood vessels?

17. From which chamber of the heart does blood leave to go to the lungs?

18. The blood flowing in the pulmonary vein is different from the blood flowing in other veins because the blood in the pulmonary vein is _____

19. The heart is divided into how many parts.

20. What part of blood protects the body from germs and disease?

21. The job of the circulatory systems is to _____

22. The system that makes red blood cells.

23. Which blood vessels are only one cell thick

24. -Located in the upper right atrium-Pacemaker of the heart and initiates heartbeat

25. Carry blood away from heart; mostly oxygen-rich