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Circulatory System Quiz 211 (20 MCQs)

Quiz Instructions

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1. Bigger but lesser in number compared to RBCs. they defend the body from microorganism that cause infection
2. True or False:There is such thing as blue blood
3. ..... are the network of fine blood vessels.
4. In the circulatory system, which blood vessel delivers deoxygenated blood from the body back to the heart?
5. Create blood clots to reduce blood loss
6. Thick, muscular, elastic walls
7. A condition when the flow of blood to the heart is blocked is called
8. The circulatory system works with the ..... system to provide our body with oxygen and remove carbon dioxide.
9. A human adult body has about how much blood?
10. Which is the smallest type of blood vessel
11. ..... is felt due to the expanding of muscular walls of arteries
12. Usually caused by a sedentary lifestyle and an unhealthful diet. Some people can also be genetically at risk. People need this waxy molecule, but too much of it can form a thick layer on the inside of the vessels, blocking blood flow.
13. The maximum blood pressure that occurs in arteries during a single ventricular contraction is referred to as the ..... pressure.
14. ..... is the fatty substance that lines the walls of the arteries.
15. What vocabulary word means a cell fragment that plays an important part in forming blood clots?
16. When do valves open
17. The condition in which fatty deposits build up on the walls of arteries is known as .....
18. How does the skeletal system benefit the digestive system?
19. What organ pumps blood throughout the body?
20. ..... take fresh blood away from the heart.
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