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How is oxygen carried from the lungs to the tissues?

A. It leaves the alveoli and enters mucus.

B. It leaves the bronchi and enters capillaries.

C. It binds to a protein called hemoglobin in red blood cells.

D. It is carried by cilia through the bronchioles.

User NMGod
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Answer:

C. It binds to the protein called hemoglobin in red blood cells

User Alexforrence
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