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Cambridge IGCSE Biology practice

Paper 4 structured question: Hormones

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Hormones

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Paper 4Theory (Extended)2 marks

Adrenaline is a hormone that helps the body respond to stress by affecting metabolism.

Description

Effects of Adrenaline

Adrenaline increases blood glucose levels and heart rate to prepare the body for rapid activity.

  1. a

    Describe how adrenaline affects blood glucose levels.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Describe how adrenaline affects heart rate.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: Hormones

Paper 4Theory (Extended)2 marks

Description

Adrenaline Effects

Adrenaline causes an increase in blood glucose levels and heart rate.

  1. a

    State one way adrenaline affects metabolic activity.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Identify another way adrenaline affects metabolic activity.

    Aim for approximately 1 distinct marking point.

    [1]