Key Stage 4
Meaning
Testosterone is a hormone that causes the expression of male characteristics during puberty.
About Testosterone
- Testosterone is secreted by the testes.
- Testosterone causes the growth of facial hair, the deepening of the voice, an increased rate of muscle growth.
References
AQA
- Testosterone, page 169, GCSE Biology; Third Edition, Oxford University Press, AQA
- Testosterone, page 189, GCSE Combined Science Trilogy; Biology, CGP, AQA
- Testosterone, page 208-9, GCSE Biology; Student Book, Collins, AQA
- Testosterone, page 225, GCSE Biology, CGP, AQA
- Testosterone, page 63, GCSE Combined Science; The Revision Guide, CGP, AQA
- Testosterone, page 77, GCSE Biology; The Revision Guide, CGP, AQA
- Testosterone, pages 12, 17, GCSE Combined Science Trilogy 2, Hodder, AQA