Question

The mechanical breakdown of food is due to _______ *​

Answer 1

Answer:

In chemical digestion, enzymes break down food into the small molecules the body can use. In the human digestive system, food enters the mouth and mechanical digestion of the food starts by the action of mastication (chewing), a form of mechanical digestion, and the wetting contact of saliva.

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Answer 2

Answer:

Due to teeth, mechanical breakdown of the food occurs.

Explanation:

• The breakdown of food into its simpler form is known as digestion.
• In our digestive tract, breakdown occurs chemically and mechanically.
• The chemical breakdown of the food occurs with the help of enzymes and digestive juices.
• Mechanical breakdown of food occurs with the help of teeth.

• Mastication means chewing the food. Chewing of the food results in smaller pieces of food, which can be easy to digest.
• Digestion of the food starts at the moment we put food in our mouth.
• Teeth grind the food into smaller pieces, and saliva starts digesting starch into a simpler sugar.
• Thus, the mechanical breakdown of food is due to teeth.

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