• Physical Digestion

  • Physical digestion (sometimes referred to as mechanical digestion) is the breakdown of food into smaller pieces?without chemical change?to the food molecules
  • The processes that take place during physical digestion help to?increase the surface area?of food for the action of?enzymes?during chemical digestion
  • It is mainly carried out by the?chewing?action of the?teeth, the?churning?action of the?stomach?and the?emulsification of fats?by?bile?in the duodenum

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