Difference between revisions of "Testes"
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: The [[testes]] [[secrete]] a [[hormone]] called [[testosterone]]. | : 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. | : [[Testosterone]] causes the expression of male characteristics during [[puberty]] including [[muscle]] growth, growth of facial hair and the deepening of the voice. | ||
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| + | ===References=== | ||
| + | ====AQA==== | ||
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| + | :[https://www.amazon.co.uk/gp/product/1782946381/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946381&linkCode=as2&tag=nrjc-21&linkId=5ec5fc3f6429e30c1d9ab9bca2bccf93 ''Testes, page 182, GCSE Combined Science Trilogy; Biology, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945954/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945954&linkCode=as2&tag=nrjc-21&linkId=100574c08fbbb64318256eb79ed61a76 ''Testes, page 208, GCSE Biology, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1471851362/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851362&linkCode=as2&tag=nrjc-21&linkId=7d78d70a2044ee9982dae010c94af92a ''Testes, pages 12, 13, 17, GCSE Combined Science Trilogy 2, Hodder, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945598/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945598&linkCode=as2&tag=nrjc-21&linkId=ad276ad49df77ab4b40ab4fd0fe10347 ''Testes, pages 61, 63, GCSE Combined Science; The Revision Guide, CGP, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1782945563/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945563&linkCode=as2&tag=nrjc-21&linkId=9a1d023a374038e6072f33c4f3cf808b ''Testes, pages 73, 77, GCSE Biology; The Revision Guide, CGP, AQA ''] | ||
Revision as of 19:16, 13 November 2019
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
- The testes are found inside a sack called the scrotum.
- The testes are outside the body instead of inside because sperm need to be kept cooler than body temperature to survive.
- The testes are always making new sperm.
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