560 Chapter Twenty-Five The Digestive System ceils are ebundant in the epitheliu

Question

560 Chapter Twenty-Five The Digestive System ceils are ebundant in the epithelium of the large intestine in order to provide lubrication for the passage of focos Exercise 25.6: Histology of the Liver 14. Label the parts of e hopatic labule in this flgure. 9 10 Portal triad .12 13 15. Hepatic lobules contain (continuous, sinusoidal) apillaries, which receive both oxygen-rich blood from branches of the hepatic artery/hepatic portal veln) and nutrient-rich blood from branches of the (hepatic artery/hepatic portai vein). This blood is transported to the central vein. Exercise 25.7: Histology of the Pancreas 16. The two substances that are produced by the pancreas and released into the duodenum are digestive enzymes), which is/are produced by acinar celis, and produced by cells that line the pancreatic ducts. bicarbonate/digestive enzymes), which is/are 17. An exocrine substance produced by (eclnar/islet) cells in the pancreas includes famylase/bicarbonate), which digests carbohydrates. 13 18. The endocrine part of the pancreas consists of faclnar/islet) cells that produce cjuice). Exercise 25.8: Overview of the GI Tract 19. Place the organs of the Gl tract in the correct order, from proximal to distal. a. anus b. esophagus c. large intestine d. rectum e. small intestine t stomach

Explanation / Answer

13. goblet cells are abundant in the epithelium of the large intestine in order to provide lubrication for the passage of feces- TRUE

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14. label the parts of a hepatic lobule in the figure.

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15. hepatic lobules contain sinusoidal capillaries, which receive oxygen-rich blood from branches of the hepatic artery and the nutrient-rich blood from the branches of the hepatic portal vein. this blood is transported to the central vein.

16. the two substances that are produced by the pancreas are released into the duodenum are digestive enzymes which is/are produced by the acinar cells, and bicarbonate, which is produced by the cells that line pancreatic ducts.

17. an exocrine substance produced by acinar cells in the pancreas include amylase, which digests carbohydrates.

18. the endocrine part of the pancreas contains of islet cells that produce hormones.

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19. place the organs of the GI tract in the correct order, from proximal to distal.

a. esophagus

b. stomach

c. small intestine

d. large intestine

e. rectum

f. anal canal

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