1.

explain the functions of human digestive system

Answer»

The nutrition of human beings takes place through human digestive system.The human digestive system consists of the alimentary canal and its associated glands.The various organs of the human digestive system are : Mouth , oesophagus , stomach , small intestine , large intestine .The glands associated with the humandigestive system are : salivary glands, liver and pancreas.

Secretion of digestive enzymes and other substances liquefies, adjusts the pH of, and chemically breaks down the food. Mechanical digestion is the process of physically breaking down food into smaller pieces. This process begins with the chewing of food and continues with the muscular churning of the stomach.



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