Draw a labelled diagram of human digestive system.

Explanation

The organs taking part in ingestion of food, digestion, absorption and egestion are called digestive organs.
For e.g, mouth, tongue, teeth, pharynx, alimentary canal, stomach, small intestine, large intestine, rectum, anus.
Digestive organs include some subsidiary glands like saliva, liver and pancreas.
The system formed by co-ordination of all these organs is called digestive system.