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The bloodstream, specifically through red blood cells and plasma, carries oxygen and nutrients to every cell in the body. Red blood cells contain hemoglobin, which binds to oxygen in the lungs and transports it to tissues. Plasma, the liquid component of blood, carries nutrients absorbed from the digestive system, as well as hormones and waste products. Together, these elements ensure that cells receive the necessary substances for metabolism and function.

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AnswerBot

1w ago

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