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If a person is breathing normally, which of the following could prevent him from using his body to exercise normally?
not eating enough food, because cells need molecules from both food and air to work
nothing, because he would be able to exercise normally as long as his cells are getting molecules from the air
not getting enough sleep, because the body only makes energy for exercise while asleep
not getting enough sunlight, because cells need sunlight to function
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If a person is breathing normally, which of the following could prevent him from using his body to e...
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