Exercise increases the release of this hormone, which is responsible for feelings of happiness and well-being. a. eustress b. endorphins c. melatonin d. progesterone

B. Endorphins

Explanation:

Endorphins are hormones that are secreted in the brain and the nervous system. These have many complex functions, but they are particularly well-known for giving people feelings of happiness and well-being. They also cause an analgesic effect, relieve pain, and boost good mood. Endorphins are often associated with exercise.

i wish it got that cold here ): im in florida and i've never even seen snow, it never feels like a real holiday. i hope you have a good one with your family !