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Cambridge IGCSE Biology practice

Paper 3 structured question: Digestive system

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Digestive system

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Paper 3Theory (Core)3 marks

Digestive system functions

Description

Digestive Processes

The digestive system carries out several processes: ingestion, digestion, absorption, assimilation, and egestion. Each process involves specific organs and functions.

  1. a

    Describe the role of ingestion in the digestive system.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Describe the role of absorption in the digestive system.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 3 structured question: Digestive system

Paper 3Theory (Core)2 marks

Diagram Description

Digestive System Organs

The diagram shows the main organs involved in digestion: mouth, stomach, small intestine, large intestine, and anus.

  1. a

    Identify the organ where digestion mainly occurs.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Describe the role of egestion in the digestive system.

    Aim for approximately 1 distinct marking point.

    [1]