why blood from the lungs to the heart close bright red rather than dark red ?
A. they pump blood to the heart
B.they filter impurities from the blood
C.They carry blood to all parts of the body
D. they carry messages form the brain to the muscles
A. they pump blood to the heart
B.they filter impurities from the blood
C.They carry blood to all parts of the body
D. they carry messages form the brain to the muscles
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Answer:
I Think It's A. Or C.
Explanation:
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