<prompt> False rib is:1st2nd7th10th  <response>: 10th rib do not aiculate with sternum anteriorly false rib. The first seven true ribs connect to the sternum by costal cailages, whilst the remaining lower five false ribs either join the suprajacent upper costal cailage 8-10 or float free at their anterior ends as relatively small and delicate structures tipped with cailage. Fig. : Rib cage 