Why is the nervous system important

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.

Increased use of cocaine can reduce the period of stimulation. true or false

Describe the flow of blood represented by the diagram. include the following terms: nutrients, artery, capillaries, vein. ( me)