Which of the following are needed for growth, maintenance, and repair of all Carbohydrates should compose between of an individual’s diet. tissues and are known as the "building blocks" of the body?

Proteins are needed for proper growth, maintenance, and repair of all the tissue in the body and is known as building block of the body. These proteins are made up of joining of hundreds of amino acids. They are produced during the translation process and plays an important role in maintaining the structure and function of cell.

Carbohydrates should compose 45-65% of individuals diet because carbohydrate is the main source of energy for humans. Glucose is the main carbohydrate which provides energy to our body.

answer: the first option is not an affect of aging. so the first option is the answer. (secondary sex characteristics appear)

i think it's the first one because doctors aren't the ones who get rid of the old needles. most of them time it's not even doctors who give you shots, it's nurses.