| | Conditions Treatments | Skeletal Disorders What organ makes up the skeletal system? Organs are not part of the skeletal system. The skeletal system is made up of bones, cartilage, tendons, and ligaments. Skeletal Disorders - Related Articles How to Survive post Tonsillectomy Healthy Treats & Super Snacks for Kids How do I Apply for Food Stamps in the City of Chicago in Cook County? Can damage from teeth grinding be reversed? What is the slang word cooter mean? Pregnancy After Having a Tummy Tuck The History of Cellulitis