![A skeleton in a cage hanging on the background of an old house. Cage with pirate bones inside, close up Stock Photo - Alamy A skeleton in a cage hanging on the background of an old house. Cage with pirate bones inside, close up Stock Photo - Alamy](https://c8.alamy.com/comp/2DA2D1P/a-skeleton-in-a-cage-hanging-on-the-background-of-an-old-house-cage-with-pirate-bones-inside-close-up-2DA2D1P.jpg)
A skeleton in a cage hanging on the background of an old house. Cage with pirate bones inside, close up Stock Photo - Alamy
![Z' is a protective structure. 12 pairs of flat bones in this structure are attached to 'Y' on one side and 'X' on the other side. 'Y' is flexible and is made Z' is a protective structure. 12 pairs of flat bones in this structure are attached to 'Y' on one side and 'X' on the other side. 'Y' is flexible and is made](https://s3-us-west-2.amazonaws.com/infinitestudent-images/ckeditor_assets/pictures/484329/original_19SBAP06BIO06_Rib_Cage_1.jpg)
Z' is a protective structure. 12 pairs of flat bones in this structure are attached to 'Y' on one side and 'X' on the other side. 'Y' is flexible and is made
![Crazy Bones in a bone cage. I used to be SO into these guys. I have the sticker/collectors book somewhere still! : r/crazybones Crazy Bones in a bone cage. I used to be SO into these guys. I have the sticker/collectors book somewhere still! : r/crazybones](https://i.redd.it/audryc47zfv71.jpg)