In which part of the human respiratory system does actual oxygen exchange take place?
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Health, 20.11.2019 18:31 wilkinsonei4069
In which part of the human respiratory system does actual oxygen exchange take place?
a.
bronchi
b.
trachea
c.
diaphragm
d.
alveoli
Answers: 3
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Aperson who doesn't have enough calcium in his or her diet is at risk for developing bones that are weak and break easily. this condition is known as a. osteoporosis. b. crohn's disease. c. celiac disease. d. hemophilia.
Answers: 2
Health, 22.06.2019 10:50
Write a journal at least 1 paragraph. in your mind, how do you define psychology right now? when do you think psychology began? what do you think modern psychologists do?
Answers: 1
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