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Circulatory System Quiz 608 (20 MCQs)

Quiz Instructions

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1. Blood that has just received oxygen from the lungs travels back to which chamber of the heart?
2. An organ system that is responsible for transporting materials such as oxygen, hormones, ions and waste materials.
3. This organism has a complex nervous system.
4. In arteries, vasa vasorum are found in .....
5. The aorta that receives blood from the left ventricle of the heart and sends blood to the rest of the body is which?
6. Part of immune system
7. This valve is also known as a bicuspid valve:
8. The more physically active you are, the more your body needs
9. Nutrients, hormones, and urea waste Found in what part of the blood?
10. The fluid portion of blood is approximately ..... % of the blood specimen.
11. Which is the busiest muscle?
12. As blood moves from the left atrium to the left ventricle, it passes through the .....
13. Which type of blood vessel uses valves to prevent a blood "backflow effect" that would create harmful stress on the heart?
14. In which part of the circulatory system does gas exchange take place?
15. Where are white blood cells and red blood cells created?
16. What blood cell is responsible for the clotting in the body?
17. What happens in systole phase?
18. Which component of blood is greatest by volume?
19. What does the right atrium do?
20. What protects the body against blood loss?
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