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! (;
