Which system has the main function of the body’s defense?

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.

How could a person communicate directly with leaders about community health issues

Which of the following identifies a main culprit for america’s increasing weight gain