Digestive physiology Flashcards
1
Q
What is the gut responsible for after ingestion? (2)
A
- digestion
- absorption
2
Q
What are the 2 types of digesiton?
A
- mechanical and chemical (enzymatic)
3
Q
What kind of digestion does the stomach do?
A
- acid-peptic digestion
4
Q
What enzymes are responsible for digestion in the intestines?
A
- pancreatic enzymes
5
Q
Define digestion
A
- breaking down food into small, simple molecules
6
Q
What does digestion involve? (2)
A
- acid
- enzymes
7
Q
What do enzymes do during digestion?
A
- catalyze breakdown (chemical digestion)
8
Q
Define absorption
A
- taking molecules into blood
9
Q
What are the 3 modes of absorption?
A
- diffusion into epithelial cells
- phagocytosis/pinocytosis by epithelial cells
- active transport via carrier molecules
10
Q
Proteins consist of ___ ____
A
- amino acids
11
Q
Complex carbs consist of __ ___
A
- simple sugars/glucose
12
Q
Lipids consist of ___ ___ and ___
A
- fatty acids and glycerol
