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Humans breathe in order to deliver oxygen to individual cells. Oxygen molecules are attached to and carried through the body by A. blood cells. B. the lungs. C. blood vessels. D. the diaphragm.
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Humans breathe in order to deliver oxygen to individual cells. Oxygen molecules are attached to and carried through the body by A. blood cells. B. the lungs. C. blood vessels. D. the diaphragm.

User Roberto Correia
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6 votes

Answer: The answer is A, hope it helps :P

User Wen Xu Li
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3 votes

Answer:

A. blood cells

Step-by-step explanation:

Most oxygen carried in the blood is bound to the protein hemoglobin in red blood cells.

User Cole Maclean
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