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Circulatory System Quiz 23 (25 MCQs)

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1. Which of the following is a vein?
2. _____ Carry blood away from the heart to various organs
3. The _____ fight bacteria and viruses.
4. Blood clot inside blood vessels is prevented by.
5. An animal that eats only other animals is called a _____
6. Closed circulatory systems have _____
7. _____ are the smallest blood vessels.
8. Which is NOT a function of the circulatory system?
9. What seeks out viruses / bacteria and destroys them to try to keep you healthy?
10. Roy has a strong family history of atherosclerosis, what can Roy do to decrease his risk of developing this disease?
11. About how many times does your heart beat per minute?
12. All the organs that function together to perform circulation in an organism.
13. Because cells make carbon dioxide in cellular respiration, the concentration of carbon dioxide inside cells is usually greater than it is outside.
14. Where does the blood go after it goes into the pulmonary arteries?
15. Fights disease and infection. Made by the lymphatic system.
16. The haemoglobin pigments in vertebrates are present in.
17. _____ helps clot blood.
18. Structure(s) that keep the blood flowing in one direction.
19. Tubes that carry blood throughout the body
20. Oxygenated blood is pumped from the left ventricle to the rest of the body via _____
21. What do capillaries, the smallest blood vessels, do?
22. Your heart is about the size of your _____
23. Disease that causes the inside of the arteries to get smaller with fat deposits; can cause heart attack or stroke
24. The pacemaker is located at
25. What is the function of heart?
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