![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://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/437227/original_Rejsek_human_rib_cage.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
![Hand Drawn Human Rib Cage Anatomy Digital Bones Transfer Clipart Vintage Halloween Illustration Printable Drawing by Skeleton Download - Etsy Hand Drawn Human Rib Cage Anatomy Digital Bones Transfer Clipart Vintage Halloween Illustration Printable Drawing by Skeleton Download - Etsy](https://i.etsystatic.com/5333465/r/il/70012c/3665820687/il_1080xN.3665820687_pnrr.jpg)
Hand Drawn Human Rib Cage Anatomy Digital Bones Transfer Clipart Vintage Halloween Illustration Printable Drawing by Skeleton Download - Etsy
![All Forming Stock Illustrations – 376 All Forming Stock Illustrations, Vectors & Clipart - Dreamstime All Forming Stock Illustrations – 376 All Forming Stock Illustrations, Vectors & Clipart - Dreamstime](https://thumbs.dreamstime.com/b/d-illustration-skeleton-ribs-anatomy-rib-cage-arrangement-bones-thorax-all-vertebrates-except-lamprey-frog-116766740.jpg)
All Forming Stock Illustrations – 376 All Forming Stock Illustrations, Vectors & Clipart - Dreamstime
![Cryo-EM of multiple cage architectures reveals a universal mode of clathrin self-assembly | Nature Structural & Molecular Biology Cryo-EM of multiple cage architectures reveals a universal mode of clathrin self-assembly | Nature Structural & Molecular Biology](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41594-019-0292-0/MediaObjects/41594_2019_292_Fig1_HTML.png)