Muscles Diagram Labeled innerbody image skelfov hThe skeletal system includes all of the bones and joints in the body Each bone is a complex living organ that is made up of many cells protein fibers and minerals Muscles Diagram Labeled skeleton diagram Labeled Human Skeleton Diagram Study guide for students and teachers To view a high res version of an image click on the thumbnails below A large PNG version of the human skeleton diagram diagramFind foot diagram Stock Images in HD and millions of other royalty free stock photos illustrations and vectors in the Shutterstock collection Thousands of new high quality pictures added every day Muscles Diagram Labeled muscles extend from the tubercles of the ribs behind to the cartilages of the ribs in front where they end in thin membranes the external intercostal membranes which are continued forward to the sternum These muscles work in unison when inhalation occurs The internal intercostal muscles relax while the external ...