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Circulatory System Quiz 182 (20 MCQs)

Quiz Instructions

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1. Pulse is a direct measure of
2. All the mammals have a heart with 4 chambers.
3. Inferior Vena Cava (IVC)
4. Transport blood from the heart to the lungs to oxygenated blood then to other part of the body
5. What is the name of the tiny air sacs in the lungs? (The small circles in the lungs)
6. In the lungs, ..... enters the blood from the capillaries.
7. Sends messages back and forth between the brain and your body
8. What has not increased the world's food production in the last 100 years?
9. Where does circulation end?
10. IDENTIFY THE PARTS OF THE HEART:divides heart in half to prevent blood from flowing to the opposite side
11. Arteries branch into smaller vessels called?
12. Term for slow heart rate (less than 60 beats per minute)
13. The atriums are located below the ventricles.
14. What carries blood without oxygen to the heart?
15. These cells attack pathogens within the bloodstream
16. I VERY NARROW and only one CELL THICK
17. The direction of the blood flow through veins is maintained by
18. Arteries, veins and capillaries are all types of these
19. Blood is carries from the heart to our body in tubes called
20. The main organs of the respiratory system is
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