Chapter 26 - digestive system Flashcards
1
Q
functions of the digestive system
A
- ingestion
- digestion
- propulsion
- secretion
- absorption
- elimination
2
Q
ingestion
A
taking in
3
Q
digestion
A
breaking down
4
Q
propulsion
A
- moving things through
- 2 types
- peristalsis (separate)
- segmentation (chop)
5
Q
oral cavity contains what type of tissue?
A
nonkeratinized stratified squamous
6
Q
how many teeth are there
A
32
7
Q
enzymes
A
chemically break stuff down
8
Q
labia
A
lips
9
Q
gingivae
A
gums
10
Q
fauces
A
opening in back of oral cavity
11
Q
salivary glands
A
secrete saliva
12
Q
what are the 3 pairs of salivary glands
A
- partoid (close to ear)
- submandibular (deepest)
- sublingual (under tongue)
13
Q
salivary amylase
A
helps break down food
14
Q
mastication
A
to chew
15
Q
what part of the tooth is the crown
A
top
16
Q
what part of the tooth is the neck
A
middle
17
Q
what part of the tooth is the roots
A
the stubs
18
Q
dental alviole
A
teeth sockets
19
Q
dentin
A
inside of tooth
20
Q
enamel
A
- tough
- surrounds dentin
21
Q
cementum
A
surrounds roots
22
Q
pulp cavity
A
nerves
23
Q
root canal
A
lets pulp in small hole
24
Q
periodontal ligaments
A
anchor/hold teeth in socket
25
how many deciduous teeth are there
20 (baby teeth)
26
layers of the GI tract
- mucosa
- submucosa
- muscularis
- adventitia
27
mucosa
- epithelial
- lamina propria
- muscularis mucosa (for movement of substances)
28
submucosa
has meissner plexus
29
meissner plexus
network of nerves in the submucosa
30
muscularis
-smooth muscle
