Answer:
Pectoral girdle Each
half of the pectoral girdle consist of a clavicle and a scapula. The dorsal
flat, triangular body of scapula has a slightly elevated ridge called the spine
that, projects a flat expanded process called the acromion and the clavicle
articulating with it.
Below the acromion
their is a depression called the glenoid cavity which articulates with the head
of the humerous to form the shoulder joint. Pelvic girdle consist of two coxal
bones.
each formed by the
fusion of three bones, ilium, ischium and pubis. It articulates with femur
through a cavity called acetabulum forming thigh joint.
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