Respuesta :

Answer:

Hemoglobin

Explanation:

SCIENCE, nah but for real, they teach this and it might not have been taught yet. I think you can look up why they have their color too, but trust me, I am right

Answer:  Its D, hemoglobin.

Explanation: Within the red blood cells there is a protein called hemoglobin. Each hemoglobin protein is made up subunits called hemes, which are what give blood its red color. Hope this helps!

I am joyous to assist you anytime.

-Jarvis

Please consider me as brainliest. Thanks! Have a great rest of your day! (;

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