Digestion Flashcards

1
Q

7 stages of digestion

First 4

A

1 .Ingestion - mastication - food enters tract
2 .Propulsion - swallowing - involuntary peristalsis ( waves of muscular contraction)
3. Mechanical breakdown -materials crushed, enzymes attack the particles during chewing. Increases food surface area- mixes with digestive juices.
4 digestion- chemical breakdown of food into particles that can be absorbed from the lumen. Catabolic process.
Secretion- removal of water, acids, buffers, enzymes and salts from the epithelium and glandular organs of the tract.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

7 stages of digestion

SAME DIP

A
Secretion 
Absorption 
Mechanical processing( breakdown) 
Excretion
Digestion 
Ingestion
Propulsion
How well did you know this?
1
Not at all
2
3
4
5
Perfectly