Textbook Question
More than one choice may apply.
A digestive organ that is not part of the alimentary canal is the
a. Stomach
b. Liver
c. Small intestine
d. Large intestine
e. Pharynx
23. The Digestive System
Introduction to the Digestive System
1:15 minutesProblem 1
Textbook Question
More than one choice may apply.
Which of the following terms are synonyms?
a. Gastrointestinal tract
b. Digestive system
c. Digestive tract
d. Alimentary canal
Verified step by step guidance1
Understand the definitions of each term: The 'gastrointestinal tract' refers specifically to the stomach and intestines, while the 'digestive system' includes all organs involved in digestion, such as the mouth, esophagus, stomach, intestines, liver, pancreas, and others.
Define the 'digestive tract': This term is often used interchangeably with 'alimentary canal' and refers to the continuous tube running from the mouth to the anus, including the esophagus, stomach, and intestines.
Define the 'alimentary canal': This is another term for the digestive tract, emphasizing the pathway through which food travels during digestion.
Compare the terms: Note that 'gastrointestinal tract' is a subset of the 'digestive tract' or 'alimentary canal,' while the 'digestive system' is a broader term encompassing all structures involved in digestion.
Conclude which terms are synonyms: Based on the definitions, 'digestive tract' and 'alimentary canal' are synonyms, as they describe the same structure, while 'gastrointestinal tract' and 'digestive system' are related but not synonymous with each other or the other terms.
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Video duration:
1mKey Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Gastrointestinal Tract
The gastrointestinal tract refers to the continuous tube that runs from the mouth to the anus, encompassing all the organs involved in digestion, including the esophagus, stomach, intestines, and rectum. It plays a crucial role in the digestion and absorption of nutrients.
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Digestive System
The digestive system includes all the organs and glands involved in the process of digestion, which encompasses the gastrointestinal tract as well as accessory organs like the liver, pancreas, and gallbladder. It is responsible for breaking down food, absorbing nutrients, and eliminating waste.
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Alimentary Canal
The alimentary canal is another term for the gastrointestinal tract, emphasizing the passage through which food travels. It includes the same organs and functions as the gastrointestinal tract, highlighting its role in the overall digestive process.
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