리틀팍스



       Arm bones                          

        The adults  have 260  bones, childs have  have  300 and babies  has 450 bones.  

                      Today  I will tell about  Arm bones.     

           Humerus:  The Humerus is  both the big bone in the arm.

                                                      it is only bone in the upper arm.    

           Elbow joint: The Elbow joint help extension and flexion.

      Radius: The Radius is the more lateral and sightly shorther of the forearm bone.             

                            Thanks for reading my esseay