560 Chapter Twenty Five The Digestive System 13. Goblet cells are abundant in th

Question

560 Chapter Twenty Five The Digestive System 13. Goblet cells are abundant in the epitheläum of the large intestine in order to provide lubrication for the passage of feces (True/False) Exercise 25.&:Histology of the Liver 14. Label the parts of a hepatic lobule in this igure. Portal triad 15. Hepatic lobules contain (continuous, sinusoida) capilaries, which recelve both axygenrich blood from branches of the (hepatic arteryhepatie portal vein) and nutrient-rich blood from branches of the hepatic artery/hepatic portal vein. This blood is transported to the central vein. OO Exercise 25.7:Histology of the Pancreats 16. The two substances that are produced by the pancrees and released into the duodenum are bicarbonate dgestive enzymest, which is/are produced by acinar cells, and produced by cells thet line the pancreatic ducts. bicerbonate'digestive enzymes) which Islare 17. An expcrine substance produced by lacinarfisiet) cells in the pancreas includes 18. The endocrine part of the pancreas consists of (acinanisiet) cells that produee (hormonespancreatiejice). ? Exercise 25.8 Overview of the Gl Tract 19, Place the organs ofthe Gitract in the correct order,from prodrnal to distal a. anus b.esophagus c large inestine d. rectum e small Intestine t stomach

Explanation / Answer

13. Answer: True

            Goblet cells secrete mucin that helps in lubricating the feces for easy passage.

14.

            1. hepatic lobule

            2. central vein

            3. portal triad

            4. interlobular connective tissue

5. hepatic laminae

6. central vein

            7. bile canaliculi

            8. connective tissues

            9. hepatic sinusoids

            10. space of Disse

11. bile duct

            12. interlobular vein, branch of hepatic portal vein

            13. arteriole, branch of hepatic artery

15. answer:

            Sinusoidal, hepatic artery, hepatic portal vein

16. answer:

            Digestive enzymes, bicarbonate

17. Answer:

            Acinar, amylase

18. Answer:

            Islet, hormones

19. Answer:

            b. esophagus

            f. stomach

            e. small intestine

            c. large intestine

            d. rectum

            a.anus

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