A printable GCSE Biology worksheet focused on aerobic respiration, anaerobic respiration, oxygen debt and recovery after exercise. Pupils practise retrieval, data interpretation, calculations and GCSE-style written explanations.

This resource includes
Pupil worksheet with structured tables and exam practice.
Complete answer sheet with calculation working and mark guidance.
Teacher notes with misconceptions, support and challenge ideas.

Suitable for
AQA GCSE Combined Science and Triple Science, plus Edexcel, OCR and WJEC revision where respiration and exercise are taught.

Why it works
It links core knowledge to realistic recovery data, building confidence with both biology explanations and numerical exam skills.