The pectoral gridle is an imcomplete ring because it is in the back between

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1. The pectoral gridle is an imcomplete ring because it is in the back between the -----.
2. The medial ends of the calvicles articulate with the ----- of the sternum.
3. The lateral ends of the calvicles articulate with the ----- of the scapula.
4. The ----- divides the posterior side of the scapula into unequal portions.
5. The ip of the shoulder is due to the ----- of the scapula.
6. At the lateral end of the scapula, the ----- curves anteriorly and inferiourly from the clavicle.
7. The glenoid cavity of the scapula articulates with the ----- of the humerus.

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