Standard Science Primary 4 Systems

Why is it important that food is broken down into very small, simple substances in the small intestine?

A To prevent the food from going into the large intestine.
B So it can be stored in the body.
C To make the food taste better for the body.
D So it can pass through the walls of the small intestine into the blood.
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Worked Solution

Step 1: Digestion is the process of breaking food into small substances. Step 2: These small substances are then absorbed into the bloodstream through the intestinal walls.

Correct answer: So it can pass through the walls of the small intestine into the blood.

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