Question

compare mechanical and chemical digestion

Answer 1

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Definition:-

Mechanical Digestion: Mechanical digestion refers to the break down of food into digestible particles, mainly by the teeth.

Chemical Digestion: Chemical digestion refers to the process by which compounds with a high molecular weight in the food are broken down into small substances that can be absorbed by the body.

Occurrence:-

Mechanical Digestion: Mechanical digestion occurs from the mouth to the stomach.

Chemical Digestion: Chemical digestion occurs from the mouth to the intestine.

Major Part:-

Mechanical Digestion: A major part of mechanical digestion occurs in the mouth.

Chemical Digestion: A major part of chemical digestion occurs in the stomach.

Driven by:-

Mechanical Digestion: Mechanical digestion is driven by teeth.

Chemical Digestion: Chemical digestion is driven by enzymes.

Mechanism:-

Mechanical Digestion: The mechanical breakdown of large food particles into small food particles occur in the mechanical digestion.

Chemical Digestion: The chemical breakdown of compounds with high molecular weights into low molecular weight compounds occurs in the chemical digestion.

Answer 2

Answer:

Compare Mechanical and Chemical Digestion.

• Mechanical digestion involves the breaking the food physically into the small pieces.
• Chemical Digestion involves breaking down the food into simpler nutrients.
• Mechanical digestion begins in the mouth as the food is chewed.
• Where as the Chemical Digestion begins when the food mixes with saliva in mouth.
• Mechanical digestion helps in the digestion of food.
• And the Chemical Digestion helps in making of Cells by the nutrients taking from food.

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