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1. Pectoral girdle
• Pectoral girdle is made of scapula, coracoid and clavicle.
• A cavity known as glenoid cavity occurs at the apex of the scapula.
• The humerus of the fore limb fits into this cavity.
• The clavice is a curved bone connecting the scapular to the sternum.
2. Humerus
• Humerus is found in the upper arm.
• It articulates with the scapula at the glenoid cavity of the pectoral girdle and forms a ball and socket joint.
3. Ulna and radius
• These are two bones found in the forearm.
• The ulna has a projection called olecranon process and a sigmoid notch which articulates with the humerus.
Wilfykil answered the question on February 28, 2019 at 12:48
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