Multiple Choice
Which of the following is not an intestinal enzyme?
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23. The Digestive System
Introduction to the Digestive System
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Which of the following is not an accessory structure of the digestive system?
A
Esophagus
B
Pancreas
C
Liver
D
Gallbladder
Verified step by step guidance1
Understand the role of accessory structures in the digestive system. Accessory structures are organs that aid in digestion but are not part of the digestive tract itself.
Identify the main components of the digestive tract, which include the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus.
Recognize that accessory structures include organs like the pancreas, liver, and gallbladder, which produce enzymes and substances that help in digestion.
Consider the esophagus, which is a muscular tube that connects the throat (pharynx) with the stomach. It is part of the digestive tract, not an accessory organ.
Conclude that the esophagus is not an accessory structure of the digestive system, as it is directly involved in the passage of food through the digestive tract.
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