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Question

What is digestion and Its types?


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Solution

Digestion:

  1. The process of converting complex food into simple and smaller units so that they can be easily utilized by the body is defined as digestion.
  2. Food provides proteins and nutrients the body needs.
  3. For example, proteins are converted to amino acids.

Types of digestion:

There are two types of digestion

Physical digestion:

  1. It is the breakdown of food into smaller pieces without any change to the molecules of the food.
  2. Breaking, crushing, and mashing food into smaller pieces.
  3. It is done by teeth and stomach.

Chemical digestion:

  1. It is the breakdown of food into large food molecules into smaller molecules by the action of enzymes.
  2. It causes chemical changes and new substances to form.
  3. It is done by saliva, stomach small intestine.

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