Difference between revisions of "Anus"
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: When the [[muscle]]s of the [[anus]] relax then [[faeces]] can be [[Egestion|egested]]. | : When the [[muscle]]s of the [[anus]] relax then [[faeces]] can be [[Egestion|egested]]. | ||
: When the [[muscle]]s of the [[anus]] [[contract]] it holds the [[faeces]] in. | : When the [[muscle]]s of the [[anus]] [[contract]] it holds the [[faeces]] in. | ||
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+ | ===References=== | ||
+ | ====AQA==== | ||
+ | :[https://www.amazon.co.uk/gp/product/0008158754/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158754&linkCode=as2&tag=nrjc-21&linkId=27ad53b0283feeff7fc5ae04a9e205f47 ''Anus, page 100, GCSE Biology; Student Book, Collins, AQA'] | ||
+ | :[https://www.amazon.co.uk/gp/product/1471851354/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851354&linkCode=as2&tag=nrjc-21&linkId=9012a0d354024419214fb3ad5ac44ba0 ''Anus, page 46, GCSE Combined Science Trilogy 1, Hodder, AQA'] |
Latest revision as of 18:39, 27 October 2019
Contents
Key Stage 2
Meaning
The anus is part of the digestive system that poo comes out of.
About the Anus
- The muscles in the anus need to relax to let out the poo. You should not try to 'push' the poo out or it can cause piles.
Key Stage 3
Meaning
The anus is a ring of muscle at the end of the digestive system that holds tight until faeces is ready to be released.
About The Anus
- The anus is found at the end of the rectum.
- When the muscles of the anus relax then faeces can be released.
- When the muscles of the anus contract it holds the faeces in.
- If the faeces does not come out when you relax then you have constipation and need to eat more fibre.
Key Stage 4
Meaning
The anus is a sphincter at the end of the digestive system that holds tight until faeces is ready to be egested.
About The Anus
- The anus is found at the end of the rectum.
- When the muscles of the anus relax then faeces can be egested.
- When the muscles of the anus contract it holds the faeces in.