Im almost postive insulin would be the first thing recommended
Answer:
The answer is letter a. Immunity.
Muscle to fat may be the answer
I think the answer is C: Isometric,but only because the others can mostly be eliminated. Hope this helped (:
i·so·met·ricDictionary result for isometric
/ˌīsəˈmetrik/Submit
adjective
1.
of or having equal dimensions.
2.
PHYSIOLOGY
relating to or denoting muscular action in which tension is developed without contraction of the muscle.