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25 Cards in this Set
- Front
- Back
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Name the organs of the digestive system in sequential order |
1. Mouth 2. Esophagus 3. Stomach 4. Small intestines 5. Large intestines 6. Anus |
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Name the 3 sections of the small intestines |
Duodenum, jejunum, ileum |
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List accessory organs of the digestive system |
Teeth, salivary glands, liver, pancreas, gallbladder |
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Alimentary canal |
The tube in which food travels from mouth the anus |
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Accessory organs |
Organs that help progress digestion |
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Peristalsis |
Rhythmic contractions of smooth muscle along the digestive tract that propel food forward |
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Chemical digestion occurs where? |
Mouth and stomach |
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Digestion is defined as |
The mechanical and chemical breakdown of foods |
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Enzymes |
Chemicals that break down proteins, carbs and fats into nutrients |
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Salivary amylase |
An enzyme from the parotid salivary gland begins the chemical digestion of carbs |
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Bolus |
The name of food once it is chewed and swallowed |
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Protease |
An enzyme that begins protein digestion in the stomach |
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Intrinsic Factor |
Increases stomach absorption of vitamin B12 |
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Chyne |
Mixture of food, enzymes and chemicals, occurs in stomach. |
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Pyloric sphincter |
Area of muscle that controls when and how much chyme can enter the duodenum |
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Duodenum |
Releases secretin and CCK |
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Secretin |
Travels to pancreas to pancreatic juices that further aid chemical digestion in the small intestines |
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CCK (cholecystokinin) |
Released from duodenum and initiates the release of bile from the gallbladder |
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Absorption of nutrients occurs here from villi |
Duodenum |
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Villi/microvilli |
Increase surface area within intestines to promote absorption |
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Small intestines |
Absorbs most of the water |
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Large intestines |
Reabsorbs water through osmosis and ions |
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Liver |
Produces bile |
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Gallpladder |
Stores bile |
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Pancreas |
Creates and releases pancreatic juices |
