Essentials of Human Anatomy & Physiology
Essentials of Human Anatomy & Physiology
12th Edition
ISBN: 9780134580579
Author: Marieb
Publisher: PEARSON
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Question
Chapter 14, Problem 1MC
Summary Introduction

Introduction:

The digestive system is one of the organ systems of the body. The digestive system breaks down complex food into smaller and simpler molecules for the absorption and assimilation of food. It provides the energy as well as the building blocks that are required to sustain the life of an organism. It is made up of two main components: alimentary canal and the accessory digestive organs. The accessory organs include teeth, digestive glands, and the tongue.

Expert Solution & Answer
Check Mark

Answer to Problem 1MC

Correct answer:

The terms gastrointestinal tract, digestive tract, and the alimentary canal are the synonyms.

Explanation of Solution

Explanation for correct answers:

Option (a) is given as gastrointestinal tract. The alimentary canal is one of the main parts of the digestive tract. It is a coiled and hollow muscular tube that continues from the mouth to the anus. The gastrointestinal tract or gut is its synonym. Hence, option (a) is correct.

Option (c) is given as digestive tract. The alimentary canal that continues from the mouth to the anus plays the major role in the digestion of the food material. It is also called the digestive tract. Hence, option (c) is correct.

Option (d) is given as alimentary canal. The alimentary canal is a pathway, through which the food moves from the mouth to the anus during the process of digestion. The terms gastrointestinal tract, digestive tract, and the alimentary canal are the synonyms. Hence, option (d) is correct.

Explanation for the incorrect answer:

Option (b) is given as digestive system. The digestive system is the organ system that consists of digestive tract and the accessory digestive organs. It is not the synonym of the gastrointestinal tract, digestive tract, or the alimentary canal. So, it is an incorrect option.

Hence, option (b) is incorrect.

Conclusion

The alimentary canal that continues from the mouth to the anus plays the major role in the digestion of the food material. The terms gastrointestinal tract, digestive tract, and the alimentary canal are the synonyms.

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Select the letter of the choice that best completes the statement. The process of changing complex foods into simpler substances to be absorbed is calleda. metabolism.b. cellular respiration.c. peristalsis.d. digestion.

Chapter 14 Solutions

Essentials of Human Anatomy & Physiology

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