It's C.
<span>Restriction is defined as </span>partially closing an orifice<span> or the lumen of a tubular body part. </span>
The body already produces enough protein to get by just fine. However, many people think athletes "use up" too much protein and faster than they gain it back, but that is not true because the body regulates homeostasis. I hope I helped :)
Decomposition is the suffix
