The _______ transfer oxygen from the air to the blood, which is then sent back to the heart to be pumped throughout the body

asked Mar 3, 2017 107k views

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red blood cells conduct oxygen ,also they loosed their nucleleus to do that job

Dubby answered Mar 4, 2017

by Dubby

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The lungs transfer oxygen from the air to the blood.

Lkahtz answered Mar 8, 2017

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