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22 Cards in this Set
- Front
- Back
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the act of eating |
Ingestion |
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breaking food down into molecules |
digestion |
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animal's cells take up small molecules such as amino acids and simple sugars from tu3 digestive compartment. |
absorption |
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undigested material passes out of the digestive compartment. |
elimination |
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accessory glands |
salivary glands, pancreas, liver, gallbladder |
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contains salivary amylase |
saliva |
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manipulates it during chewing |
bolus |
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throat |
pharynx |
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blocked by a cartilaginous flap, the epiglottis. |
glottis |
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conducts food from pharynx |
esophagus |
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alternating waves of contraction and relaxation |
peristalsis |
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liters of food and fluid |
2 liters |
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continually eroded |
epithelium |
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occasional backflow of acid chyme from the stomach into the lower esophagus |
heartburn |
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helps regulate the passage of chyme into the intestine |
pyloric sphincter |
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produces several hydrolytic enzymes |
pancreas |
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performs a wide variety of important function |
liver |
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stored in the gallbladder |
bile |
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most digestion is completed while the chyme is still in the duodenum |
duodenum |
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remaining regions |
small intestine, jejunum, ileum |
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few nutrients absorbed |
stomach and large intestine |
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four types of large molecules (small intestine) BLUE |
carbohydrates, proteins, nucleic acid, and fats |
