The fights infection. The organ system that controls and coordinates messages in the body is called the .
The controls growth, development, and other related processes.
The organ system that breaks down and absorbs nutrients is called the .

The immune system fights infection.

The organ system that controls and coordinates messages in the body is called the nervous system .

The endocrine system controls growth, development, and other related processes.

The organ system that breaks down and absorbs nutrients is called the digestive system .

creating amino acids is the answer

answer 2 is the right one. jim should measure his snack to make sure he is using the right serving size.