Gastrointestinal System Flashcards
1
Q
bolus
A
a mass of food that has been chewed and swallowed
2
Q
cavity between mouth and esophagus
A
pharynx
3
Q
epiglottis closes off the opening to the _____ so food enters the _____
A
- trachea
2. esophagus
4
Q
peristalsis
A
series of muscles contractions that move food through the digestive tract.
5
Q
small intestine
A
18 ft. large surface area created by repeated folds within walls enhance digestion and absorption
6
Q
which intestine has three major regions duodenum, jejunum, and ileum
A
small intestine
7
Q
what does the colon do
A
absorption of water and vitamins
8
Q
Vili, microvlli and rugae function to________
A
increase surface area of absorption
