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Ch 23 XIII - Chemical Digestion duration 15 minutes 17 seconds Ch 23 XIII - Chemical Digestion Ch 23 XIII - Chemical Digestion	Ch 23 XIII - Chemical Digestion Ch 23 objective 25. monosaccharides cell intestine acids proteins sodium concentration enzymes carbohydrates lipids salts bile membrane border brush glucose digestion diffusion gradient pieces From Ashlee Tietje 4 plays 0
Ch 23 VIII - Small Intestine duration 7 minutes 1 second Ch 23 VIII - Small Intestine Ch 23 VIII - Small Intestine	Ch 23 VIII - Small Intestine Ch 23 objectives 17-18. intestine absorption surface duodenum brush things enzymes border food layers circulares plicae modifications portion digestion stomach blood ville villi wall From Ashlee Tietje 6 plays 0