Foundation Science Primary 4 Systems

The diagram shows the flow of food in the human digestive system. What is the main function of the part labelled X?

A Absorbs water
B Digests and absorbs food into blood
C Produces digestive juices
D Completes digestion
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Worked Solution

Step 1: Identify part X as the small intestine based on the flow from the stomach. Step 2: The small intestine is where digestion is completed and nutrients are absorbed into the bloodstream.

Correct answer: Digests and absorbs food into blood

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