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Mechanical digestion takes place mainly in the: Question 31 options: gall bladder and small intestine small and large intestines mouth and stomach liver and pancreas

Question

Mechanical digestion takes place mainly in the:

Question 31 options:

gall bladder and small intestine

small and large intestines

mouth and stomach

liver and pancreas

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Solution

Mechanical digestion mainly takes place in the:

Mouth and Stomach

Here's why:

  1. Mouth: The process of mechanical digestion starts in the mouth. The teeth break down food into smaller pieces through a process called mastication. The tongue also helps in this process by moving the food around while it is being chewed.

  2. Stomach: After being swallowed, the food enters the stomach, where it is further broken down through a process called churning. In this process, the muscular walls of the stomach contract and relax, mixing the food with gastric juices and breaking it down into a semi-liquid substance.

The other options listed (gall bladder and small intestine, small and large intestines, liver and pancreas) are more involved in chemical digestion and absorption of nutrients rather than mechanical breakdown of food.

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