Question

explain the digestion in human beings

Answer 1

The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (The fongue, salivary gland,pan creas,liver, and gallbladder.)In the many stage the first of which starts on the mouth.

Answer 2

Digestion is the process by which food is broken down into simple absorbable substances. Digestion of food takes place in the digestive system. Digestive system is made up of alimentary canal and associated glands.
 
Parts of alimentary canal:
The mouth, oesophagus, stomach, small intestine and large intestine form the alimentary canal. It is also known as the digestive tract.