Learning objective

Clarify how physical activity affects heart rate.

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

Exam focus

Cambridge IGCSE Combined ScienceTransport in animalsSupplement content

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Quick explanation

This point belongs to Heart, especially Heart outcomes.
You need to be able to clarify how physical activity affects heart rate.
The key ideas to know are Explain.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Explain

Why it matters

This objective helps connect Heart outcomes to exam-style questions, flashcards, and revision notes for Heart.

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Practice Questions7 linked questions

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Paper 4Theory (Extended)2 marks

Description

During a 30-minute jogging session, a person's heart rate was monitored. The heart rate increased from 70 bpm at rest to 150 bpm during the exercise.

a
Analyse the changes in heart rate during the jogging session.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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