Thomas asks…Why do we have a maxillary sinus?Do we need it? Why? Can it be removed?
If we didn't have it would we not have allergies?Mary Wei answers:The maxillary sinus serves many purposes. First, it moistens and warms air as it enters our lungs, which makes breathing more comfortable and keeps our lungs healthy. Also, the maxillary sinuses are lined with cilliated cells, which are cells with tiny microscopic hairs. These hairs, together with mucous, help to trap particulates, viruses,
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