Studied by 14 people
large intestine
The last section of the digestive system, where water is absorbed from food and the remaining material is eliminated from the body
small intestine
Digestive organ where most chemical digestion and absorption of food takes place
liver
Produces bile, which emulsifies fat
pancreas
provides enzymes to aid in digestion
alimentary canal
the whole passage along which food passes through the body from mouth to anus. It includes the esophagus, stomach, and intestines.
anus
A muscular opening at the end of the rectum through which waste material is eliminated from the body
rectum
the final section of the large intestine, terminating at the anus.
chewing
grinding something between your teeth
swallowing
automatic contraction of throat muscles that enables food to pass into the esophagus without choking
stomach
A muscular and elastic sac that serves mainly to store food, break it up mechanically, and begin chemical digestion of proteins and fat.
bolus
A term used to describe food after it has been chewed and mixed with saliva
chyme
mixture of enzymes and partially-digested food
peristalsis
the process of wave-like muscle contractions of the alimentary tract that moves food along
length of digestive system
20 to 30 feet in length
enzymes
Proteins that speed up chemical reactions
timeline of digestion
food stays in the stomach for 2 to 6 hours
it takes 3-5 hours to pass thru the small intestine
it takes another 4 to 72 hours to pass thru the large intestine
villi
Small fingerlike projections on the walls of the small intestines that increase surface area
epiglottis
A flap of tissue that seals off the windpipe and prevents food from entering.
appendix
protects good bacteria in the stomach
gallbladder
protects and stores bile
Note
Flashcard