Basic Functions of the Digestive System Flashcards
Digestion
breakdown of food into small molecules
Digestive Tract
continuous tube with two holes: the mouth and anus
-includes mouth, pharynx, esophagus, stomach, small and large intestine
Accessory Organs
teeth, tongue, salivary glands, liver, gallbladder, and pancreas
Ingestion
process of eating food
Propulsion
movement of food along digestive tract
Secretion
digestive enzymes that breakdown food
Mechanical Digestion
process of breaking down food into smaller pieces. Process begins with chewing then go to muscular churning of the stomach
Chemical Digestion
process of breaking down food chemically
Absorption
movement of molecules from digestive tract to adjacent blood and lymph vessels
Defectation
eliminates undigested material to the anus