Alimentary Canal Anatomy and Function Quiz

Function and Structure of the Alimentary Canal

• The main function of the organs of the alimentary canal is to digest and absorb nutrients from ingested food.

Length of the Alimentary Canal

• The length of the alimentary canal during life is approximately 6-7 meters (20-23 feet).
• After death, the length of the alimentary canal increases to around 8-10 meters (26-33 feet) due to relaxation of the smooth muscles.

Modified Parts of the Alimentary Canal

• The modified parts of the alimentary canal between the mouth and anus are the mouth, pharynx, esophagus, stomach, small intestine, and large intestine.

Technical Status of Food and Wastes

• Food and wastes within the alimentary canal are technically considered outside the body, as they are not part of the body's tissues.

Alternative Name

• The alimentary canal is also known as the gastrointestinal (GI) tract.

Post-Mortem Length

• The total length of the alimentary canal after death is around 8-10 meters (26-33 feet).

External Part of the Alimentary Canal

• The mouth is considered to be outside the body, as it is exposed to the environment.

Functional Needs of the Body

• The alimentary canal is modified to fit the functional needs of the body, which include ingestion, digestion, absorption, and elimination of nutrients.

Tissue Layers of the Alimentary Tract

• The tissue layers that compose the alimentary tract are the mucosa, submucosa, muscularis, and serosa.

Test your knowledge of the alimentary canal with this informative quiz. Explore the anatomy and functions of the gastrointestinal tract, and enhance your understanding of digestion and nutrient absorption.