Assertion (A): The axis vertebra (second cervical vertebra) allows sideways rotation of the head. Reason (R): The axis possesses an odontoid process (dens) that fits into the odontoid canal of the atlas, forming a pivot joint. Choose the correct option:

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Biology · Locomotion and Movement

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Both A and R are true, and R is the correct explanation of A

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