How Do My Si­nuses Work?

Science Illustrated - - ASK US -

The si­nuses are air-filled cav­i­ties in the fa­cial bones, whose most im­por­tant pur­pose is to pro­duce slime that wets the inside of the nose. But they also re­duce the weight of the skull and func­tion as a res­o­nance cham­ber for the voice. More­over, the si­nuses are be­lieved to have a pro­tec­tive ef­fect as a kind of buffer against blows to the face, and they pro­tect the eyes and tooth roots against quick tem­per­a­ture changes in the sur­round­ings. We are born al­most with­out si­nuses, but they grow through­out child­hood and life as such, as the bone tis­sue grad­u­ally breaks down.

The si­nuses are made up of 4 pairs of air-filled cav­i­ties in the fa­cial bones.

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