How are oxygen and nutrients delivered to the cells of the body

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23-06-2021
Biology

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How are oxygen and nutrients delivered to the cells of the body

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zainh5956 zainh5956 · Answer 1 · 2021-06-23T22:15:38+02:00

Once Oxygen reaches the blood via the lungs, it is taken in by a protein known as haemoglobin (Hb) in the red blood cells. Oxygen then binds to a heme group located within a subunit of the protein (Hb). A single heme group can bind 1 oxygen molecule, there are 4 heme groups all together meaning 4 oxygen molecules forming Oxyhaemoglobin. Oxygen is then diffused into local tissue by the Haemoglobin. - this was rushed sorry if it doesnt make alot of sense hope it helps tho