Relevant Competitive Tests:
Functional importance of maxillary sinus is______________?
A.\tLightening of skull weight and production of bactericidal lysozyme to the nasal cavity
B.\tProtects the brain against exposure to cold air by arresting air in sinus temporarily
C.\tResonance of voice and enhancement of faciocranial resistance to mechanical shock
D.\tAll of the aboveCorrect Answer
Correct Option: D.\tAll of the above
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