For more information on alimentary canal, visit Britannica.com.
A tubular passage extending from the mouth to the anus (figure 5). It has regions specialized for ingestion (the mouth and buccal cavity), digestion (mainly the stomach and small intestine), absorption (mainly the small intestine for food and large intestine for water), and egestion (rectum and anus).

The tubular passage extending from the mouth to the anus that has regions specialized for ingestion (mouth and buccal cavity), digestion (mainly stomach and small intestine), absorption (mainly the small intestine for food-stuffs and the large intestine for water), and egestion (rectum and anus).
| digestive system, digestive juice, digestive enzyme | |
| diginose, digital imaging, digitalis |
