Karinabell Karinabell

09-04-2015
Biology

Answered

Which gas is transported by the circulatory system in humans and is used by cells during respiration to release energy stored in food?

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parkerandrew92 parkerandrew92

09-04-2015

Oxygen. Respiration is the process of O2 being broken down and attached to polypeptide bonds of nitrogen and phosphates.

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09-04-2015

Umm oxygen or co2, If I'm wrong I'm sorry

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