Q. The type of joint present between the humerus bone and the pectoral girdle is

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Solution:

In a ball-and-socket joint, a ball-like structure on the one bone fits into a socket like structure in another bone. Shoulder and hip joints are the examples of ball and socket joint (between glenoid cavity of the pectoral girdle and head of the humerus and between acetabulum of pelvic girdle and head of the femur).