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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Heart

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Heart

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Paper 3Theory (Core)3 marks

Understanding heart rate and valve sounds

Description

Heart Rate and Valve Sounds

Monitoring heart rate and listening for valve sounds are essential for assessing heart health.

  1. a

    Describe how pulse rate can indicate a person's fitness level.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 3 structured question: Heart

Paper 3Theory (Core)2 marks

Description

Methods of Monitoring Heart Activity

Heart activity can be monitored using an ECG, measuring pulse rate, and listening for valve closure sounds.

  1. a

    Explain the significance of using an ECG to monitor heart activity.

    Aim for approximately 2 distinct marking points.

    [2]