When behavior is driven by instinct, it often means that we do it without really realizing why. Many of those who exercise regularly will just feel better when they do it because of the biological changes that occur within the body. How is this related to instinct? A. It is not—these are two completely different phenomena.
B. Most of the benefits of both are found in the endocrine system.
C. Instinct is also a chemical reaction in the body produced by hormones.
D. They are both ways in which the body recognizes behavior that benefits it.