Chapter 15- Digestive Flashcards
0
Q
What are the layers of the wall from inner to outer
A
Mucosa, submucosa, muscular, serosa
1
Q
Refers to the mechanical and chemical breakdown of foods so that nutrients can be absorbed by cells
A
Digestion
2
Q
What does the submucosa do
A
Nourishes the surrounding layers
3
Q
When does mixing movements occur
A
When smooth muscles contract rhythmically in small sections of the tube
4
Q
What’s segmentation
A
Aids mixing by alternately contracting and relaxing the smooth muscle
5
Q
What rests in decreased peristalsis
A
Constipation
6
Q
What rests in increased peristalsis
A
Diarrhea
7
Q
What does the serous cells in the salivary glands produce
A
Watery fluid with salivary amylase and mucous cells that produces mucus
8
Q
What does the parotid glands secrete
A
Clear, watery fluid (serous) rich in amylase
