A) pelvic girdle
B) pectoral girdle
C) sternum
D) humerus
Correct Answer: B
Solution :
Organ of Corti is the hearing organ. Cochlea is a spirally coiled tube (2-3 coiling) which is connected to sacculus by a short duct. Pectoral girdle or shoulder girdle is composed of two halves. Each half consists of the scapula/shoulder bone and clavicle/collar bone. At the junction of scapula and clavicle, is a concave depression, the glenoid cavity which articulates with the head of the humerus to form a ball and socket joint. Pelvic girdle or hip girdle has a depression called the acetabulum. Sternum is breast bone, present just under the skin in the middle front pan. Humerus is the bone of fore limb.
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