Labels:sky | toothbrush OCR: RIB CAGE JOUHAVE 12 PAIRS of ribs that the sternum (breastbone); three form flexible. springy cage pairs of false ribs, each fixed protect your lungs, heart, and the rib above; and two pairs major blood vessels. There are floating ribs, attached to muscles seven pairs ot true ribs joined on the outside of your rib cage. True ribs Spine First seventh ribs join the sternum and Sternum the spine and are called true ribs (breastbone) Cartilage False Eighth to ribs tenth ribs join the sternum by Floating ribs the seventh cartilage rib, ot and the are 11th and 12th ribs called "false ribs do you join the sternum and are called floating ribs EXPLODE HAVE Sternun thth