OUR BODIES AND HOW WE LIVE 



limbs. The two sets of limbs, although differing in many 

 points, are built on the same general plan, the one 

 being adapted for grasping and the other for walking. 



FIG. 23. Bones of the Hand and Wrist, as shown by an X-Ray Photograph. 

 Two rings are plainly shown. 



51. The Bones of the Lower Limbs. The lower limb, like 

 the arm, is arranged in three parts, the thigh, leg, and foot. 



The thirty bones of each lower limb are usually classified 

 as follows. 



Thigh Femur, or thigh bone 

 f Tibia, or shin bone 



Leg -J Fibula, or splint bone 

 [ Patella, or kneecap 



f 7 Tarsal, or ankle bones 

 Foot 5 Metatarsal, or instep bones 

 [ 14 Phalanges, or toe bones 



