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Cambridge IGCSE Biology practice

Paper 3 structured question: Physical digestion

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Physical digestion

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Paper 3Theory (Core)1 marks

Food enters the stomach after being chewed in the mouth. The stomach then continues the digestion process.

Description

Physical Digestion in the Stomach

The stomach's muscular walls contract to churn food, breaking it into smaller pieces and mixing it with digestive juices.

  1. a

    Identify one way the stomach physically digests food.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Physical digestion

Paper 3Theory (Core)2 marks

Description

Role of the Stomach

The stomach uses muscular contractions to churn food, breaking it into smaller pieces and mixing it with digestive juices.

  1. a

    Describe how the stomach contributes to physical digestion.

    Aim for approximately 2 distinct marking points.

    [2]