Answer:
D. Protein
Explanation:
Protein is an important component of every cell in the body. ... 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.
Umm I think that it is normal because some people are different then other
Type B. Type A is usually spread by contaminated food or water, or contact with an infected person.
True.
Children do go through many different types of changes as they develop
Answer:
No
Explanation:
Because the knife is stopping bleeding and should be removed by a medical professional.