Proteins have a variety of functions within a living cell. describe at least three of the possible functions of proteins, and explain how proteins can be so diverse when there are only a limited number of different amino acids.

Proteins are the building blocks of life. Every cells in our body contains protein. The basic structure of Protein is a chain of amino acids. So protein is the one who repairs your cell and make a new one. And most importantly the protein is important for growth and developments in our body . 

The diaphragm is what i think ur talking about