The time ==Key Stage 3=====Meaning===[[Puberty]] is when a an [[organism]] becomes goes through physical and mental changes that make it able to produce [[offspring]]. ===About Puberty in Females==={| class="wikitable"|-|[[File:FemaleSecondarySexualCharacteristics.png|center|400px]]|-| style="height:20px; width:400px; text-align:center;" |A [[diagram]] showing some of the changes that happen to [[female]]s in [[puberty]].|} ===About Puberty in Males==={| class="wikitable"|-|[[File:MaleSecondarySexualCharacteristics.png|center|400px]]|-| style="height:20px; width:400px; text-align:center;" |A [[diagram]] showing some of the changes that happen to [[male]]s in [[Sexually Maturepuberty]].|sexually mature} ===It's normal===[[Puberty]] can be a confusing experience and people always have lots of questions. These are the answers to some common questions you might like to know. Girls:: One breast will grow a bit quicker than the other.: Once the breasts have grown one is often bigger than the other.: Your first period may be unexpected so you may want to keep a sanitary towel just in case.: You should have your first period between 10 and 15 years old. If it happens a bit earlier that's not a problem. If it doesn't happen by 16 you should speak to a doctor.: At first your period might not happen every month.: Your period should not last more than 7 days. If it lasts longer, then you should talk to a doctor.: The vagina sometimes releases some clear fluid. If the fluid is cloudy or yellow you should talk to a doctor. Boys:: One testis hangs slightly lower than the other.: You will get random erections that can be embarrassing but are perfectly normal.: Sometimes you will wake up with an erection.: You may have a 'wet dream' where you ejaculate in your sleep. You may want to find out how to use the washing machine if you are embarrassed. ===References=======AQA==== :[https://www.amazon.co.uk/gp/product/0198359373/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359373&linkCode=as2&tag=nrjc-21&linkId=952a73bbb09d222ecc4b50d200679849 ''Puberty, page 168-169, GCSE Biology; Third Edition, Oxford University Press, AQA '']:[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 ''Puberty, page 189, 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 ''Puberty, page 225, GCSE Biology, CGP, 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=ad276ad49df77ab4b40ab4fd0fe10207 ''Puberty, page 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 ''Puberty, page 77, GCSE Biology; The Revision Guide, 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 ''Puberty, pages 11, GCSE Combined Science Trilogy 2, Hodder, AQA ''] ====Edexcel==== :[https://www.amazon.co.uk/gp/product/1292120207/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120207&linkCode=as2&tag=nrjc-21&linkId=22455ff53961978667722edaa64c0be5 ''Puberty, page 146, GCSE Biology, Pearson, Edexcel '']