Chemicals released in the body that cause the changes in males and females during puberty.
References
AQA
- Sex hormones, page 189, GCSE Combined Science Trilogy; Biology, CGP, AQA
- Sex hormones, page 225, GCSE Biology, CGP, AQA
- Sex hormones, page 63, GCSE Combined Science; The Revision Guide, CGP, AQA
- Sex hormones, pages 17, GCSE Combined Science Trilogy 2, Hodder, AQA
- Sex hormones, pages 77-79, GCSE Biology; The Revision Guide, CGP, AQA