The Skeletal System

Bones of the Pelvic Girdle Formed by two coxal (__________) bones Composed of three pairs of fused bones _______ _________

Bones of the Pelvic Girdle The total weight of the upper body rests on the pelvis It protects several organs _____________ organs ________ bladder Part of the ________ ____________

The Pelvis Figure 5.24a

The Pelvis: Right Coxal Bone Figure 5.24b

Gender Differences of the Pelvis The female _______ is larger and more circular The female pelvis as a whole is shallower, and the bones are __________ and ___________ The female ilia flare more laterally The female sacrum is ________ and less ________ The female ischial spines are shorter and farther apart; thus the outlet is larger The female __________ _______ is more rounded because the angle of the pubic arch is greater

Gender Differences of the Pelvis Figure 5.24c

Bones of the Lower Limbs The thigh has one bone __________ The heaviest, strongest bone in the body The lower leg has two bones ________ Larger and medially oriented _________ Thin and sticklike

Bones of the Lower Limbs Figure 5.25a–b

Bones of the Lower Limbs Figure 5.25c

Bones of the Lower Limbs The foot ___________ Two largest tarsals ___________ (heelbone) _________ _____________—sole ____________—toes

Bones of the Lower Limb Figure 5.26