Ch14: digestive system Flashcards
absorption
passing of nutrients into the bloodstream
alimentary canal
muscular tube from the mouth to the anus; digestive tract; gastrointestinal tract
amino acid
chemical compound that results from digestion of complex proteins
amylase
enzyme that is part of pancreatic juice and saliva and that begins the digestion of carbohydrates
anal canal
part of the digestive tract extending from the rectum to the anus
anus
place at which feces exit the body
appendage
any body part (inside or outside) either subordinate to a larger part of having no specific central function
appendix
wormlike appendage to the cecum
bile
yellowish-brown to greenish fluid secreted by the liver and stored in the gallbladder; aids in fat digestion
bilirubin
pigment contained in bile
body
middle section of the stomach
bowel
intestine
cecum
pouch at the top of the large intestine connected to the bottom of the ileum
cheeks
walls of the oral cavity
chyme
semisolid mass of partially digested food and gastric juices that passes from the stomach to the small intestine
colon
major portion of the large intestine
defecation
release of feces from the anus
deglutition
swallowing
digestion
conversion of food into nutrients for the body and into waste products for release from the body
duodenum
top part of the small intestine where chyme mixes with bile, pancreatic juices, and intestinal juice to continue the digestive process
elimination
the conversion of waste material from a liquid to a semisolid and removal of that material via defecation
emesis
regurgitation
emulsification
breaking down of fats
enzyme
protein that causes chemical changes in substances in the digestive tract