Villi
Microscopic projections in the wall of the small intestine that absorb nutrients into the bloodstream
Uvula
Soft tissue hanging from the middle of the soft palate
Stomach
Muscular organ that receives food from the esophagus
Salivary Glands
Parotid, sublingual, and submandibular glands that excrete saliva
Rugae
Ridges on the hard palate and the wall of the stomach
Pyloric Sphincter
Ring of muscle at the end of the stomach, near the duodenum; opens when a wave of peristalsis passes over it
Pulp
Soft tissue within a tooth, containing nerves and blood vessels
Pharynx
Throat, the common passageway for food from the mouth and for air from the nose
Peristalsis
Rhythmic contractions of the tubular organs
Papillae
Small, projection on the tongue
Pancreas
Organ behind the stomach; produces insulin and enzymes
Mastication
chewing
Liver
Large organ located in the RUQ of the abdomen; secretes bile; stores sugar, iron, and vitamins; produces blood proteins; filters out toxins
Ileum
Third part of the small intestine
Gallbladder
Small sac under the liver; stores bile
Feces
Solid wastes; stool
Esophagus
Tube connecting the throat to the stomach
Duodenum
First part of the small intestine; 12in long
Deglutition
swallowing
Colon
Consists of the ascending, transverse, descending, and sigmoid segments (large intestine)
Cecum
First part of the large intestine
Bile
Digestive juice made in the liver and stored in the gallbladder; breaks up large fat globules; composed of bile pigments, cholesterol, and bile salts
Appendix
Blind pouch hanging from the cecum
Anus
Terminal end or opening of the digestive tract to the outside of body
Absorption
Passage of materials through the walls of the small intestine into the bloodstream