. What are phytochemicals, and how do they benefit plants and humans?
. What are some of the possible complications involved in using herbal medicines?
What are some steps someone should consider/do before purchasing supplements?
. Name the four “assisting” organs that are not part of the GI tract but are needed for proper digestion. What are their roles in digestion?
. What substance makes the stomach contents acidic? What substance protects stomach cells from the low pH of stomach contents?
