Thoracic Wall, Pleura and Cavities, Lungs
ribs
ribs 1-7 = true
ribs 8-10 = false
ribs 11-12 = floating
thorax - container
bony cage
vertebral column T1-T12
intervertebral discs
ribs
costal cartilages
sternum
intercostal spaces
intercostal muscles
intercostal veins/arteries/nerves