What does a red blood cell do? how does it structure it do what it does?

A red blood cell 's structure help by Red Blood Cell Structure. ... Red blood cells contain enormous amounts of a protein called hemoglobin. This iron containing molecule binds oxygen as oxygen molecules enter blood vessels in the lungs. Unlike other cells of the body, mature red blood cells do not contain a nucleus, mitochondria, or ribosomes. it remove carbon dioxide from the body and transport to the lungs.

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I hope this helps  :)