Questions: Question 9 Which of the following is an organ of the alimentary canal? - liver - pancreas - spleen - esophagus Question 10 Cholecystokinin (CCK) and secretin are produced by the duodenum to target the acinar cells of the pancreas. - True - False

Question 9 Which of the following is an organ of the alimentary canal? - liver - pancreas - spleen - esophagus Question 10 Cholecystokinin (CCK) and secretin are produced by the duodenum to target the acinar cells of the pancreas. - True - False
Transcript text: Question 9 Which of the following is an organ of the alimentary canal? liver pancreas spleen esophagus Question 10 Cholecystokinin $(\mathrm{CCK})$ and secretin are produced by the duodenum to target the acinar cells of the pancreas. True False
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Solution

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The answer to Question 9 is the esophagus.

Explanation for each option:

  • Liver: Incorrect. The liver is an accessory organ of the digestive system, but it is not part of the alimentary canal.
  • Pancreas: Incorrect. The pancreas is also an accessory organ that aids in digestion but is not part of the alimentary canal.
  • Spleen: Incorrect. The spleen is part of the lymphatic system and is not involved in the alimentary canal.
  • Esophagus: Correct. The esophagus is a muscular tube that is part of the alimentary canal, connecting the throat (pharynx) with the stomach.

The answer to Question 10 is True.

Explanation: Cholecystokinin (CCK) and secretin are hormones produced by the duodenum. They play a crucial role in digestion by targeting the acinar cells of the pancreas. CCK stimulates the pancreas to release digestive enzymes, while secretin prompts the pancreas to release bicarbonate to neutralize stomach acid in the duodenum. Therefore, the statement is true.

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