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Circulatory System Quiz 598 (20 MCQs)

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1. Which blood vessel takes blood from the heart to all parts of the body?
2. In a chemical equation, which is true?
3. Red blood cells can become half-moon shaped, which means they are more likely to cause clots and carry less oxygen than normal red blood cells
4. Return blood to the heart
5. What substance is in the blood that the heart pumps throughout the body?
6. The system that makes red blood cells.
7. True or False:In a closed circulatory system, blood moves from the heart to increasingly larger blood vessels.
8. I am the blood vessels that gets nutrients & oxygen from the arteries. My walls are so thin that nutrients & oxygen can go through to the cells that need them.
9. All invertebrates have an open circulatory system
10. I carry deoxygenated blood back to the heart from the cells. *
11. Supplies blood to the leg and foot-
12. This is also known as a myocardial infarction:
13. The heart is roughly the size of:
14. Which best explains how a single-celled organism can survive without other cells?
15. What is the main function of the heart in the human circulatory system?
16. What type of blood cell forms a clot when a person has a cut or a bruise?
17. The heart's contraction movement is called
18. The contraction of heart chambers is known as
19. The left ventricle works harder than the right ventricle because it pumps blood where?
20. Blood is mainly made up of pale yellow liquid called
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