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10 Cards in this Set
- Front
- Back
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Gastrointestinal Tract (Alimentary Canal) |
Continuous tube that extends from mouth to the anus through the thoracic and abdominopelvic cavities |
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Accessory Digestive Organs |
teeth, tongue,( salivary glands, liver, gallbladder, and pancreas)- never come in contact with food |
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6 basic processes of the digestive system |
1) Ingestion 2) Secretion 3) Mixing and propulsion 4) Digestion 5) Absorption 6) Defecation |
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Ingestion |
taking foods and liquids into the mouth (eating) |
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Secretion |
release of water, acid buffers, and enzymes into lumen of GI tract |
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Mixing and propulsion |
Churning and movement of food through GI Tract |
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Digestion |
Mechanical and chemical breakdown of food |
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Absorption |
passage of digested products from GI tract into blood and lymph |
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Defecation |
Elimination of feces from GI Tract |
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Layers of the GI Tract |
Mucosa, Submucosa, muscularis, serosa |
