Skull is solid and immobile in order to protect the brain. Thorax has to be mobile in order to do respiration. For this purpose it contracts and expands, periodically. This is not possible for solid bone combination like skull.
The skull protects the brain. The ribcage protects the lungs.
skull,spine and ribcage
The skull protects the brain and sensory organs like the eyes and ears. The ribcage protects vital organs like the heart and lungs while also supporting the structure of the chest cavity.
Skull and Ribcage!
There is no organ that shares it protection between the skull and ribcage. The skull protects the brain mainly and hte ribcage protects the heart and lungs.
Ribcage protects lungs, heart etc Skull protects brain.
Your ribcage protects your heart and lungs and your skull protects your brain.
If the ribcage were a solid sheet like the skull, it would be difficult for the thoracic cavity to expand and contract with inspiration and expiration.
The major bones of the axial skeleton include the skull, the vertebral column, the ribcage, and the sternum.
Tapirs have around 62-64 bones in their skeletal structure. This includes the bones in their limbs, spine, skull, and ribcage.
Both the skull and the pelvic bone begin as several sections which eventuallly fuse together. Its your ribcage
• The foetal skull bones have different names to those in the adult SkUll