Question
Why does the blood returning to the heart have very little oxygen in it?
answer from the options
The heart is not pumping oxygen fast enough.
The cells throughout the body used the oxygen.
The heart did not receive enough oxygen from the lungs.
The lungs breathed out too much oxygen.
answer from the options
The heart is not pumping oxygen fast enough.
The cells throughout the body used the oxygen.
The heart did not receive enough oxygen from the lungs.
The lungs breathed out too much oxygen.
Answers
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Answered by
GPT 3.5
The cells throughout the body used the oxygen.
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