![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
Physio Study - The sternum is a flat, thin bone shaped like a dagger. It has three parts: a manubrium at the top, the body of the sternum, and a small bony
![sternum - definition of sternum by Medical dictionary | Skeletal system anatomy, Human skeleton anatomy, Human anatomy and physiology sternum - definition of sternum by Medical dictionary | Skeletal system anatomy, Human skeleton anatomy, Human anatomy and physiology](https://i.pinimg.com/originals/a8/ef/1a/a8ef1ae76163d256f8cfcb7ae8d94bb4.jpg)