Alimentary canal

Definition

The alimentary canal is a continuous, muscular tube running through the body from the mouth to the anus. It is responsible for the digestion and absorption of nutrients, as well as the elimination of waste.

5 Must Know Facts For Your Next Test

1. The alimentary canal includes organs such as the mouth, esophagus, stomach, small intestine, and large intestine.
2. Peristalsis is the involuntary muscle contractions that move food through the alimentary canal.
3. The small intestine is where most nutrient absorption occurs within the alimentary canal.
4. The alimentary canal has specialized regions that perform different functions in digestion and nutrient absorption.
5. Accessory organs like the liver, pancreas, and gallbladder aid in digestive processes but are not part of the alimentary canal.

Review Questions

Related terms

Peristalsis:

Involuntary muscle contractions that move food through the digestive tract.

Small Intestine: The part of the digestive system where most nutrient absorption takes place.

Accessory Organs: Organs like liver, pancreas, and gallbladder that aid in digestion but are not part of the alimentary canal.