Section 4
The Alimentary Canal
Book
Version 29
By Boundless
By Boundless
Boundless Anatomy and Physiology
Physiology
by Boundless
3 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/3861/square/250px-illu01-head-neck.jpeg)
Mouth
The mouth is the first portion of the alimentary canal, which receives and mechanically breaks down food, and produces saliva.
![Thumbnail](../../../../../../figures.boundless-cdn.com/30845/square/illu01-head-neck.jpeg)
Pharynx
The pharynx is part of the digestive and respiratory systems and consists of three main parts: nasopharynx, oropharynx, and laryngopharynx.
![Thumbnail](../../../../../../figures.boundless-cdn.com/33318/square/4hlgspsprz2ofuxvzu7k.jpg)
Esophagus
The esophagus is a muscular tube through which food passes from the pharynx via peristalsis to the stomach.