Refs, motherfucker

Digestive system Refs, motherfucker. This shit if fucking grade school, but it's the easy road to a decent grade, so fuck it.
all info-http://www.innerbody.com/image/digeov.html

Teeth/Salivary glands pic- http://www.parotidmd.com/parotid-salivary-gland-info/
Esaphogus pic-http://www.archertower.com/diagram-of-the-throat/