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Learning objective

Explain physical digestion as the process of breaking food into smaller pieces without altering the chemical structure of the food molecules.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE Combined ScienceHuman nutritionCore content

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Quick explanation

Explain physical digestion as the process of breaking food into smaller pieces without altering the chemical structure of the food molecules

  • This point belongs to Digestion, especially Digestion outcomes.
  • You need to be able to explain physical digestion as the process of breaking food into smaller pieces without altering the chemical structure of the food molecules.
  • The key ideas to know are Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Describe

Why it matters

This objective helps connect Digestion outcomes to exam-style questions, flashcards, and revision notes for Digestion.

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Paper 3 structured question: Digestion

Paper 3Theory (Core)2 marks

Description

Physical Digestion Process

Physical digestion is the process of breaking food into smaller pieces without changing its chemical structure. It occurs in the mouth and stomach, where food is chewed and churned.

  1. a

    Explain the importance of physical digestion in the digestive process.

    Aim for approximately 2 distinct marking points.

    [2]
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