Chapter 14 Flashcards
1
Q
ingestion
A
taking in food
2
Q
absorbtion
A
movement of nutrients into the bloodstream
3
Q
digestion
A
breaking down food into nutrient molecules
4
Q
defecation
A
elimination of indigestible waste
5
Q
two groups of organs
A
alimentary canal
accessory organs
6
Q
space between lips and teeth
A
vestibule
7
Q
tonsils
A
patine: back of oral cavity
lingual: base of tongue
8
Q
propels food down esophagus
A
peristalsis
9
Q
mucosa is made of
A
simple columnar/ stratified squamous in the esophagus
10
Q
pharynx has
A
2 muscle layers that are voluntary
11
Q
nerve plexus
A
regulate mobility and secretory activity of the GI tract organs
12
Q
rugae
A
internal folds of the mucosa present when
the stomach is empty
13
Q
the muscularis externa has
A
3 layers of muscle in the stomach
14
Q
produce hydrochloric acid
A
parietal cells
15
Q
produce pepsinogens
A
chief cells
