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Chewing is the process by which food is crushed and ground by teeth .it is the surface area of foods to allow a more efficient break down by enzymes
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1. The conversion of large food substances into simple absorbable substances is called didestion

2. The first step of digestion is chewing or mastication, in which food is crushed and ground by teeth.

3. The teeth aid in mechanical digestion by masticating (chewing) food.

4. Due to crushing of food particles, causes formation of small particles and it leads to  increases the surface area of food to allow more efficient catalysis by enzymes.

5. Increase in surface area causes more exposure of food substances to enzymes so that the substrates can fit into the enzyme active site.

 

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During chewing process food get masticated and mixed with saliva. Saliva contains an enzyme salivary amylase that initiates the digestion of carbohydrates present food and hence increases the surface area of the food..
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Due to chewing food, it breaksdown into small pieces which increases the rate of reaction of enzymes on it thus surface area of food is increase and it's digestion process also increase.
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Chewing is the process by which food is crushed by teeth. It is the first step of digestion and it increases the surface area of food to allow a more efficient breakdown by enzymes. Food in mouth from bite sized particles is converted into smaller particles known as Bolus. This has the effect of increasing the surface area of food particles and allowing saliva to be thoroughly mixed with them.
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By chewing, the food particles break down into smaller pieces and increases the surface area of food.When we shallow the food it mixes thoroughly with stomach acid.

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