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Cambridge IGCSE Biology practice

Paper 3 structured question: Absorption

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Absorption

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Paper 3Theory (Core)1 marks

Water absorption in the digestive system

Description

Water absorption in the colon

While the small intestine absorbs most water, the colon also absorbs some water from the remaining material to form solid feces.

  1. a

    Identify another part of the digestive system where water absorption occurs.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Absorption

Paper 3Theory (Core)1 marks

Description

Water absorption locations

Water is absorbed at different points in the digestive system. The small intestine absorbs most of the water, while the colon absorbs some water to help form solid waste.

  1. a

    State where most water absorption takes place in the digestive system.

    Aim for approximately 1 distinct marking point.

    [1]