Bones that Protect the Organs kvfkfk The skull: The skull protects the brain and its sockets protects the eyeballs. The Spinal Column: The spinal column protects the very delicate spinal chord. The Ribcage: The ribcage protects the heart and the lungs The pelvic bone/ hipbone: The pelvic bone or hip bone protects bladder, lower colon, lymph nodes, uterus, and vagina.