Digestion is the breaking down of large food molecules into smaller ones. The main purpose of this is

Make the food soluble

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Enable the digestive enzymes to be used up

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Provide many different types of molecules for absorption

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Make the passage of the food along the gut easier

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Solution

The correct option is C Provide many different types of molecules for absorption
Most of our nutrients contained in the food have a complex structure. In order to be absorbed and utilized by the body, they must be broken down into relatively simple molecules. The process by which the complex food molecules are changed to simple molecules is called digestion.

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