graded A+ passed
1. Which of the
following structures D. diaphragm
changes the volume
of the lungs?
a. alveoli
b. heart
c. trachea
d. diaphragm
2. What is the
respiratory systems transporting oxygen from the atmosphere into the body's cells
main function and moving carbon dioxide from the body's cells
3. How many lobes 3 (superior, middle, inferior)
does the right lung
have?
4. How many lobes does 2 because of the heart
the left lung have?
Why?
5. How does gas exchange dittusion which is passive transport mechanism
occur in the lungs?
6. Where is the heart
lo- cated mediastinum
7. Aveoli sacs of the lungs where oxygen and carbon dioxide are
exchanged by dittusion between the air and the blood
8. tidal volume the amount of air breathed in and out of the lungs during a
normal
breath
9. Where is breathing con- medulla oblongata of the brain - monitors carbon dioxide
levels and
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15
,TEAS TEST questions well answered to pass
graded A+ passed
trolled? blood ph.
10. cardiovascular
system
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15
, TEAS TEST
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responsible for the movement of blood around the body.
This system allows for the nutrient distribution and waste
removal.
11. What type of muscle
is the heart? cardiac muscle - inbolunysty mudvlr
12. What are the upper
chambers of the
heart called? atria
13. What are the lower
chambers of the
heart called?
ventricles
14. Arteries carry blood away from the heart
15. Veins Blood vessels that carry blood back to the heart
16. Capillaries single layer of endothelium that form a network that connect
arteries to
veins in tissues
17. Pulmonary loop carries deoxygenated blood from the right ventricle to the lungs
and
returns oxygenated blood to the left atrium
18. Systemic loop carries oxygenated blood from the left ventricle to the body,
returning
deoxygenated blood to the right atrium
19. Systole Contraction of the heart
20. Diastole Relaxation of the heart
21. What makes the
"lub" sound? atrioventricular valves closing (mitral and tricuspid valves)
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