A ==Key Stage 3=====Meaning===The [[cervix]] is a ring of [[muscle]] between the [[uterus]] and [[vagina]] that keeps the [[offspring]] inside until [[birth]].{| class="wikitable"|-|[[File:ReproductiveSystemCervix.png|center|400px]]|-| style="height:20px; width:400px; text-align:center;" |A [[diagram]] showing the '''Cervix''' in the [[Female Reproductive System]].|} ===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=27ad53b0283feeff7fc5ae04a9e205f150 ''Cervix, page 216-7, GCSE Biology; Student Book, Collins, AQA '']