Class 11 NEET Biology Locomotion and Movement

(c) : Pterygoid is a process that extends from sphenoid bone of skull to form a plate like structure. Above the glenoid cavity of scapula is present two processes - acromion and coracoid. Coracoid process is like a hook and is smaller that acromion process projecting upwards. Atlas is first cervical vertebra. Arytenoid is a cartilage that forms part of larynx.