Chapter 22 · A&P II
The digestive system
7 topics. Mastery shows beside each one as you answer questions.
Topics
Practice this chapter
In this chapter's tools
Lab practical image sets
- Digestive tract overview
- GI wall layers (histology)
- Stomach
- Teeth
- Small intestine villi
- Liver lobule
Prediction scenarios
- Level 2 a gallstone blocks the common bile duct
- Level 2 a proton pump inhibitor
- Level 2 lactase deficiency
- Level 2 the pancreatic duct is blocked
Pathways
- Food through the GI tract
- Swallowing phases
- Carbohydrate digestion
- Protein digestion
- Lipid digestion and absorption
- Bile from liver to duodenum
- Phases of gastric secretion
Feedback loops
- Gastric acid and gastrin (low pH shuts gastrin off)
Comparison tables
- Gastrin vs secretin vs cholecystokinin
- Digestive enzymes by source, substrate and product
- Small vs large intestine
- Mechanical vs chemical digestion