<prompt> Costal cailage of 8th and 9th rib aiculate with each other by which type of jointSynolFibrousSynchondrosisSymphysis  <response>: All joints in the anterior rib-cage are synol Except: 1st rib to sternum - Synchondrosis. 10th rib - Ligamentous never synol Ribs 2-7 : Synol joints Ribs 8-9 : Synol joints bw each other, aiculate 7th rib attachment synol joint Xiphisternal joint : Synchondrosis Manubriosternal : Symphysis 