The answer is B :),this sentence has to be longer LOL
Answer:
Hair and nails are mostly made of protein. Your body uses protein to build and repair tissues. You also use protein to make enzymes, hormones, and other body chemicals. Protein is an important building block of bones, muscles, cartilage, skin, and blood.
Explanation:
I'm working on the assignment rn. But here are some clues to help you.
