Question

Explain Digestion in humans for class 7

Answer 1

Answer:

digestion involves many steps like

first the food goes in mouth where it mixes with the salivya

then enter into oesophagus (food pipe)

than it goes to the pancreas

than in large intestine

than in small intestine

than the water materials are secreted

Answer 2

Answer:

digestion in human body takes place initially in the mouth.in the mouth chemical and physical digestion takes place.physical digestion is called mastication and chemical digestion consists salivary breakdown.

from there the food turns to bolus form then through oesophagus by peristaltic movement it enters into the stomach again physical and chemical digestion takes place.the physical digestion is called churning and chemical digestion consist secretion of hcl acid and other.in stomach the bolus food turns to chyme.from stomach it enters into starting part of small intestine called duodenum where liver secretion takes place and like this so on digestion goes further