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4.2.2 Response to exercise
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Why exercise changes the body

Why exercise changes the body

During exercise, muscles contract harder and more often, so their demand for energy increases. They need more glucose and oxygen for aerobic respiration and produce more carbon dioxide.

4.2.2 Response to exercise Lesson

  1. GCSE
  2. /Biology
  3. /4.2.2 Response to exercise

Step-by-step lessons covering AQA GCSE Biology 4.2.2 Response to exercise for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Start with the foundational topics and build up to the higher-tier material.