Are there any answer choices you can give us??
Answer:
It helps build muscles
A
Explanation:
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.
I believe that the correct answer is C
Https://www.google.com/aclk?sa=l&ai=DChcSEwif5aX3movTAhVGgbMKHbDYAVsYABAMGgJxbg&sig=AOD64_0VL-yi-lY6...=
