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13 Cards in this Set
- Front
- Back
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bolus
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a rounded mass of food prepared for swollowing
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peristalsis
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rhythmic waves of muscle contractions that push materials through a tubular organ
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sphincter:
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a ring of muscle in a tubular organ that regulates the passage of food
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stomach
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holds food;mixes food w/ gastric juices;
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small intestine
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chemical digestion
absorption of nutrients |
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villi
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villi: fingerlike projections of the small intestine that tremendously increase its surface area for absorption
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pancreas
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mostly involved in secreting digestive enzymes
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liver
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produces bile and remoives toxins from blood
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rectum
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muscular pouch constricted by a sphincter that stores feces
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parietal cells
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Hydrochloric acid is secreted by parietal cells in the stomach lining
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most chemical absorbtion takes place in..
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jujunum
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most chemical digestion is in
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duodenum
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colon
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absorb water;store process and eliminate residue
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