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15 Cards in this Set
- Front
- Back
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Digestive Tract |
Gastrointestinal tract or alimentary canal -a muscular tube that extends from oral cavity to anus |
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Mouth (oral cavity) |
Ingestion, mechanical processing with accessory organs, moistening, mixing with salivary secretions |
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Pharynx |
Muscular propulsion of materials into esophagus |
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Stomach |
Chemical breakdown of materials by acid and enzymes; mechanical processing through muscular contractions |
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Small intestine |
Enzymatic digestion and absorption of water, organic substrate, vitamins, and ions |
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Large intestine |
Dehydration and compaction of indigestible materials in preparation for elimination |
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Teeth |
Mechanical processing by chewing |
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Tongue |
Assists mechanical processing with teeth |
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Liver |
Secretion of bile, storage of nutrients |
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Salivary glands |
Secretion of lubricating fluid containing enzymes that break down carbs |
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Gallbladder |
Storage and concentration of bile |
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Pancreas |
Exocrine cells secrete buffers and digestive enzymes; endocrine cells secrete hormones |
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Ingestion |
Materials enter the digestive tract via the mouth |
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Mechanical processing |
Crushing and moving food along GI tract |
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Chemical digestion |
Chemical break down of food into small fragments for absorption by digestive ET |
