Health

Why does the blood returning to the heart have very little oxygen in it?

A. The heart is not pumping oxygen fast enough .
B. The cells throughout the body use the oxygen . <<<<<<<<
C. The heart did not receive enough oxygen from the lungs.
D. The lungs breathed out too much oxygen.

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  1. correct

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    posted by Reed
  2. Why dose the blood returning to the heart have very little oxygen in it

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    posted by Kylie
  3. B is the correct one, great job!!
    ~lol star ♥

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  4. Thanks for the answers!

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    posted by Audrey
  5. So, it's B?

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    posted by Mags

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