Skip to content
Menu

Year 6 · Science · The circulatory system · Lesson 3

Diet, exercise, drugs and health

How exercise, a balanced diet, smoking, alcohol and medicines affect the heart and body, with a fair test on exercise and heart rate.

Whiteboard video lesson: Diet, exercise, drugs and health

13-minute video lesson

Teaching, worked examples and 20 practice questions solved step by step.

Watch free for a month

What your child will learn

  • Explain how exercise affects heart rate
  • Describe a balanced diet
  • Explain harmful effects of smoking and alcohol
  • Plan a fair test

The method

  1. Choice.
  2. Body part.
  3. Helpful or harmful?
  4. Why.

Key words: exercise, balanced diet, nicotine, tar, alcohol, medicine.

Worked examples

The first three practice questions from the lesson, with every step.

Question 1

What happens to your pulse when you run?

  1. Step 1: Up

Answer: it gets faster

Question 2

Why do you breathe faster during exercise?

  1. Step 1: Oxygen

Answer: to take in more oxygen for the muscles

Question 3

Name a benefit of exercise for the heart.

  1. Step 1: Stronger

Answer: it makes the heart stronger