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In the human respiratory system, gas exchange occurs across the cells of the ________.

lvida

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5 years ago

In the human respiratory system, gas exchange occurs across the cells of the ________.

In the human respiratory system, gas exchange occurs across the cells of the ________.
A) diaphragm
B) trachea
C) bronchi
D) alveoli

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cgara59

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kamikazekota

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lvida Author

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#2

5 years ago

Makes more sense now, have a good weekend!

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