ADDITIONAL TOPICS IN HUMAN BIOLOGY 145 



upper jaw bone 

 lower jaw bone 



collar bone 



upper arm bone 

 (numerus) 



bones { (radius) 



of \ 

 forearm ( (ulna) 



fibula- 



vertebrBB 



shoulder blade 

 breast bone 



shin bone (tibia) 



Fig. 44. — Skeleton of man. 



