Astudent who runs every day is becoming bored with her physical fitness routine and considers quitting. what is thw most effective thing she can do to maintain her active lifestyle?

Describe some of the common health conditions associated with air pollution.

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 much serem is need to make kids?