Four of the five answers listed below are related by a common source. Select the exception.

A) calcitonin
B) norepinephrine
C) cortisol
D) epinephrine
E) aldosterone

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response; also affects mood.

Calcitonin

Thyroid hormone that encourages bones to take up and incorporate calcium.

Aldosterone

A steroid hormone secreted by the adrenal glands that regulates sodium and potassium balance in the blood, thus controlling blood pressure and fluid balance.