It's shell (I bet you're searching this answer up either cause you just want to improve your General Knowledge or it's because you go to James An College)
I would say you rib cage protects you vital organs.
Protects the organs of the organism
The skeletal system protects and supports your organs. For instance, the skull protects the brain, and the ribs protect the lungs and liver.
Carapace
protects the organs of the organism.
it protects internal organs such as lungs brain and heart.
Three sets of bones protect the internal organs:The skull protects the brainThe rib cage, anchored by the sternum and vertebral column, protects the heart, lungs, kidneys, liver, and spleen.The pelvis protects the urinary and reproductive organs, as well as the lower part of the intestines
hahahahha
The ribcage acts as a cage and protects your vital organs.
skull protects the brain,eyes part of the spinal cord and the eardrums
helps from being damaged
i think the skeletal system is its own system that protects internal organs