Jenny is running for more than an hour on a pleasant sunny morning. her body is sweating to maintain homeostasis, which is caused by the action of a/an

How does the endocrine system affect the body's functions? o o o o it secretes enzymes directly into the bloodstream. it secretes hormones directly into the bloodstream. it secretes enzymes through ducts to the surface of organs. it secretes hormones through ducts to the surface of organs.

Which action is most likely to contribute to a positive self-image?

Which one of the following causes people to go through a cycle of losing weight, gaining it back, then lose it again