Answer:
A. amino acids
Explanation:
Protein in our diets comes from both animal and vegetable sources. ... The digestive system breaks all proteins down into their amino acids so that they can enter the bloodstream. Cells then use the amino acids as building blocks to build enzymes and structural proteins.
hope this helps
If a person<span> is </span>not getting enough essential amino acids in his or her diet<span>, muscle tissues </span>would<span> break down to supply amino acids. </span>
They are just wrestling don’t worry
