Multiple Choice
The short reflexes in the digestive system are stimulated by __________.
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23. The Digestive System
Introduction to the Digestive System
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What is peristalsis in the context of the digestive system?
A
The process of breaking down food into smaller molecules by enzymes
B
A series of wave-like muscle contractions that move food through the digestive tract
C
The absorption of nutrients into the bloodstream
D
The production of bile by the liver
Verified step by step guidance1
Begin by understanding the context of the digestive system, which is responsible for breaking down food, absorbing nutrients, and expelling waste.
Identify the term 'peristalsis' and recognize that it refers to a specific process within the digestive system.
Peristalsis is characterized by wave-like muscle contractions. These contractions occur in the walls of the digestive tract, particularly in the esophagus, stomach, and intestines.
These muscle contractions help propel food and liquid through the digestive tract, ensuring that it moves in one direction from the esophagus to the stomach and through the intestines.
Differentiate peristalsis from other digestive processes such as enzymatic breakdown of food, nutrient absorption, and bile production, which are distinct functions within the digestive system.
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