Testes
Contents
Key Stage 3
Meaning
The testes are a pair of organs in the male reproductive system located behind the penis in the scrotum responsible for making sperm.
About the Testes
Key Stage 4
Meaning
The testes are a pair of organs in the male reproductive system responsible for making sperm. They are also endocrine glands in the endocrine system.
About Testes in the Male Repdroductive System
- The testes produce the male gamete known as sperm.
- The testes are found inside a sack called the scrotum.
- During ejaculation the sperm cells leave the testes via the sperm duct.
About the Testes as Endocrine Glands
- The testes secrete a hormone called testosterone.
- Testosterone causes the expression of male characteristics during puberty including muscle growth, growth of facial hair and the deepening of the voice.
References
AQA
- Testes, page 182, GCSE Combined Science Trilogy; Biology, CGP, AQA
- Testes, page 208, GCSE Biology, CGP, AQA
- Testes, pages 12, 13, 17, GCSE Combined Science Trilogy 2, Hodder, AQA
- Testes, pages 61, 63, GCSE Combined Science; The Revision Guide, CGP, AQA
- Testes, pages 73, 77, GCSE Biology; The Revision Guide, CGP, AQA
Edexcel
- Testes, page 142, GCSE Biology, Pearson, Edexcel
- Testes, page 225, GCSE Biology, CGP, Edexcel
- Testes, page 77, GCSE Biology; The Revision Guide, CGP, Edexcel