Answer:
All of the following are key hormones in muscle and bone formation except epinephrine.
Step-by-step explanation:
Epinephrine is also known as adrenaline. It’s both a hormone and a medication. While cortisol, estrogen and growth hormone are key to muscle and bone formation, epinephrine has other functions. It’s released by the adrenal glands and some neurons in response to danger, excitement and stress. Epinephrine helps the body react to those emotions more quickly. It increases strength and awareness in stressful situations. It makes the heart beat faster and increases blood flow both to the brain and muscles. In excess it can be dangerous to the body.