4. Bile is produced by liver cells, or ________, and enters small canals called ________. It then leaves the liver through many smaller ________ that eventually fuse to form the large ________. That duct fuses with the ________, which transports bile from the gallbladder to form the ________, which then transports bile to the duodenum. Activity 3: Examining the Histology of Selected Digestive Organs 1. Name the predominant specific tissue type in each of the following layers of the alimentary canal wall: a. Mucosa: ________ b. Muscularis: ________ c. Submucosa: ________ d. Serosa: ________ 2. Which layer of the alimentary canal wall: ________ a. functions in movements of the digestive tract? ________ b. carries away absorbed nutrients? ________ c. secretes enzymes and absorbs nutrients? ________ d. is the visceral peritoneum? 3. In what way is the anatomy of the duodenal mucosa structurally adapted for the secretion of enzymes and the absorption of nutrients? ________
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Bile is a secretion that actively participates in the digestion of fats as it acts as an emulsifier. From the following list, select the best description of the role of bile in digestion. A. Bile is located in the lining of the small intestine and helps transporting fats into the body. B. Bile is an enzyme that breaks down fatty acids into smaller components that are easily absorbed. C. Bile prevents fats from clumping together and making them easily accessible to enzymes. D. Bile regulates the secretion of enzymatic enzymes by the pancreas
Adi S.
Select correct answer. No explanation needed. 1. Villi and microvilli function in: A. Secretion of bile B. Absorption of nutrients C. Secretion of amylase D. Gas exchange E. Digestion of protein 2. The most important function of the large intestine is: A. Elimination of urine B. Absorption of nutrients C. Elimination of CO2 D. Absorption of water E. Absorption of oxygen 3. The mouth functions to: A. Complete protein digestion B. Complete starch digestion C. Begin starch digestion D. Begin fat digestion E. Begin protein digestion 4. An important function of the pancreas is: A. Neutralization of chyme B. Fat digestion C. Absorption of nutrients D. Production of bile E. Absorption of water 5. The stomach is able to begin the digestion of protein because of the secretions of: A. Gastrin cells B. Chief cells C. Mucus cells D. Parietal cells E. None of the above
Md.Daniyal A.
1. Although bile is stored in the gallbladder it is secreted into the duodenum of the small intestine where it functions as an ____________________ to aid in the absorption of lipids and fat soluble vitamins. 2. Most digestion and all absorption of digested food stuffs take place in the small intestine. Consider the fact that structure of an organ is often related to its function. Keeping this in mind, describe the characteristic of the small intestine which allows it to maximize absorption?
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