Answer:
A or "The blood would not be able to carry oxygen."
Explanation:
<em>"</em><em>Red cells contain a special protein called hemoglobin, which helps carry oxygen from the lungs to the rest of the body and then returns carbon dioxide from the body to the lungs so it can be exhaled. Blood appears red because of the large number of red blood cells, which get their color from the hemoglobin.</em><em>"</em>
https://www.hematology.org/education/patients/blood-basics#:~:text=Red%20cells%20contain%20a%20special,their%20color%20from%20the%20hemoglobin.
Answer: Metabolism
Metabolism describes all the chemical processes that go on continuously inside your body to keep you alive and your organs functioning normally, such as breathing, repairing cells and digesting food.
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