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.
correct
Why dose the blood returning to the heart have very little oxygen in it
Thanks for the answers!
So, it's B?
@Mags Yes the answer is B (the second one) Because your cells use the oxygen before returning to the
heart*
B is the correct one, great job!!
~lol star ♥