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26 Cards in this Set
- Front
- Back
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in chemical digestion, food molecules are broken down into ____ small enough to be absorbed by the ____ ____
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molecules - GI tract
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the process of chemical digestions is ____, which breaks a bond by adding ____
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hydrolysis - water
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3 specific food groups for chemical digestion
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carbohydrates - proteins - lipids
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carbohydrate digestion begins in the ____
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mouth
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enzyme released by the pancreas to break down carbohydrates
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amylase
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in chemical digestion of carbohydrates, microvilli produce (3)
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maltase - sucrase - lactase
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3 examples of monosaccharides broken down in chemical digestion of carbohydrates
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fructose - glucose - galactose
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3 examples of disaccharides broken down in chemical digestion of carbohydrates
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maltose - lactose - sucrose
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in chemical digestion of carbohydrates, some ____ are not broken down
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polysaccharides
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example of a polysaccharide that is not broken in chemical digestion of carbohydrates
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cellulose
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in chemical digestion, ____ are broken down to amino acids
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protein
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in chemical digestion, protein digestion begins in ____
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stomach
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in chemical digestion of protein, ____ activates digestion in the stomach
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pepsin
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in chemical digestion, protein digestion in the stomach is normally inactive unless ____ is low
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pH
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in chemical digestion, protein digestion from the stomach continues in ____ ____
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small intestine
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in chemical digestion, protein digestion in the small intestine is activated by ____ & ____ secreted by ____
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trypsin - chymotrypsin - pancreas
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in chemical digestion or protein in the small intestine, some microvilli enzymes are ____
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proteases
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in chemical digestion of protein, the ____ & ____ ____ is the main place where protein is broken down
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stomach - small intestine
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in chemical digestion, lipids are pretreated with ____ ____ in the ____
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bile salts - duodenum
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in chemical digestion, lipids are broken down by ____ produced by ____
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lipases - pancreas
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in chemical digestion, lipids are broken down into ____ ____ & ____
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fatty acids - monoglycerides
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most nutrients are absorbed through the mucosa of ____
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jejunum
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in absorption, nutrients enter the ____ in the ____
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capillaries - villi
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in absorption, nutrients are transported to ____ ____ ____
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hepatic portal vein
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in absorption, ____ products enter ____ of the villi (absorbs ____)
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lipid - lacteals - fat
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in absorption, the ileum reclaims ____ ____ & ____
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bile salts - water
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