COLUMN A

1. SKULL
2.SPINAL COLUMN
3.BONES
4.HINGE JOINT
5.BALL AND SOCKET
COLUMN B
A. THE INNER LAYER OF THE BONE THAT CONTAINS YELLOW WISH SUBSTANCE WHICH MANUFACTURE BLOOD CELLS IN THE BODY.
B.PROTECS TGE SPINAL CORD
C. A RIGID CASE THAT PROTECTS BRAIN
D. ALLOWS MOVEMENT IN ALL DIRECTION
E.ALLOWS MOVEMENT IN ONE DERICTON