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Learning objective

Conduct an investigation and explain how physical activity influences heart rate.

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

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE Combined ScienceTransport in animalsCore contentPractical objective

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Quick explanation

Conduct an investigation and explain how physical activity influences heart rate

  • This point belongs to Heart, especially Heart outcomes.
  • You need to be able to conduct an investigation and explain how physical activity influences heart rate.
  • 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 Heart outcomes to exam-style questions, flashcards, and revision notes for Heart.

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Paper 6 structured question: Heart

Paper 6Alternative to PracticalPractical1 marks

Method

Method for Measuring Heart Rate During Exercise

Participants will perform three different exercises: jogging, cycling, and jumping jacks. Heart rate will be measured before, immediately after, and 5 minutes after each exercise.

Exercise TypeHeart Rate Before (bpm)Heart Rate After (bpm)Heart Rate After 5 min (bpm)
Jogging7015090
Cycling7014085
Jumping Jacks7016095
  1. a

    State the independent variable in this investigation.

    Aim for approximately 1 distinct marking point.

    [1]
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