| Term | Definition |
|
ingestion |
the act of eating |
|
digestion |
the process of breaking food down into molecules small enough to absorb |
|
absorption |
uptake of nutrients by body cells |
|
elimination |
the passage of undigested material out of the digestive compartment |
|
intracellular digestion |
food particles are engulfed by endocytosis and digested within food vacuoles |
|
extracellular digestion |
breakdown of food particles outside of cells |
|
mammalian acessory glands |
salivary glands, pancreas, liver, gallbladder |
|
peristalsis |
rhythmic contractions of smooth muscles in the wall of the canal |
|
oral cavity |
food is lubricated and digestion begins |
|
stomach |
stores food and secretes gastric juice |
|
small intestine |
longest section of the alimentary canal, major organ of digestion and absorption |
|
duodenum |
where acid chyme from the stomach mixes with digestive juices |
|
large intestine |
recover water that has entered the alimentary canal |