saliva and salivary glands :D
Gastrointestinal tract have digestive secretions to digest the food and peristaltic movements to propel the food forwards.
endocrine (where the secretions are put directly into the bloodstream) or exocrine (where the secretions are carried to the epithelial surfaces)
teeth and saliva
Two of the most common medications used to treat secretions are both antimuscarinic - scopolamine and glycopyrrolate.
Well your body may be used to doing it or it depend how old u r but if this doesn't help ask your doctor
Mr. Food, eating well, and the food network are great sites to find recipes for two. You can also find recipes on most food packages that will help give you ideas.
The parietal cells of the stomach are responsible for secreting hydrochloric acid, while the chief cells secrete intrinsic factor. These two secretions are important for the digestion of food and absorption of nutrients in the stomach and intestine.
Food Webs show how Plants and animals are connected and the many ways they help each other survive.
One eat good food two the sympatheic nervous system
The Liver and Pancreas
i know for sure that the mouth is one of them.
Oil is used to lubricate two moving metal surfaces, that would be damaged if there was no oil to prevent friction damaging the two surfaces.