PROTEIN. Protein is an important building block in the body because it's responsible for supplying amino acids that are used to create and repair cells, tissues, hormones, enzymes, red blood cells, and antibodies. Proteins also maintain fluid balance and transport substances throughout the body.
How much of a drug should be given at one time How often it should be given per day How will the drug will be taken, for example: by mouth or intravenously
I believe the answer is C. This is because most men do naturally have more muscle mass, so they need more energy to function. This is not the case if you do a lot of muscle building activities, though.
