Multiple Choice
Which layer of the digestive tract contains blood vessels and nerve cells?
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23. The Digestive System
Introduction to the Digestive System
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Which organ produces bile, a chemical necessary for fat emulsification?
A
Pancreas
B
Stomach
C
Liver
D
Gallbladder
Verified step by step guidance1
Identify the function of bile in the digestive system. Bile is a substance that aids in the emulsification of fats, breaking them down into smaller droplets to increase the surface area for digestive enzymes to act upon.
Understand the role of each organ listed in the options: the pancreas, stomach, liver, and gallbladder.
The pancreas produces digestive enzymes and hormones like insulin, but it does not produce bile.
The stomach is primarily involved in the mechanical and chemical digestion of food, using gastric acid and enzymes, but it does not produce bile.
The liver is the organ responsible for producing bile. It synthesizes bile and secretes it into the bile ducts, which eventually lead to the gallbladder for storage or directly to the small intestine for digestion.
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