ap Flashcards

13483197712	Nutrients	Substances in food that your body needs to grow, to repair itself, and to supply you with energy	0
13483201169	Digestion	Breakdown of food substances into simpler forms that can be absorbed and used	1
13483210529	Alimentary Canal	digestive tube that extends from the mouth to the anus	2
13483210530	Ingestion	Intake of food	3
13483210531	Propulsion	the action of driving or pushing forward.	4
13483212491	Mechanical Digestion	Physical breakdown of large pieces of food into smaller pieces	5
13483212492	Chemical Digestion	Process by which enzymes break down food into small molecules that the body can use	6
13483214493	Peristalsis	Involuntary waves of muscle contraction that keep food moving along in one direction through the digestive system.	7
13483214494	Segmentation	the division of the body of an organism into a series of similar parts	8
13483216809	Enzymes	Catalysts for chemical reactions in living things	9
13483216810	Defecation	elimination of feces	10
13483216811	Fece	poop	11
13483219215	Gastric Pits	Gastric glands that release secretions into the stomach	12
13483219216	Chyme	Partially digested, semiliquid food mixed with digestive enzymes and acids in the stomach.	13
13483219217	Mastication	chewing	14
13483221654	Salivary Amylase	Enzyme in saliva that breaks down starch	15
13483221655	Emulsification	physical process of breaking up large fat globules into smaller globules, thereby increasing the surface area that enzymes can use to digest the fat	16
13483224734	Plicae Circulares	folds of the small intestine wall	17
13483224735	Villi	Fingerlike extensions of the intestinal mucosa that increase the surface area for absorption	18
13483224736	Microvilli	projections that increase the cell's surface area	19
13483226722	Bile	A substance produced by the liver that breaks up fat particles.	20