why do we need sinuses?

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What benefits do they bring? Couldn’t we just have a straight airway leading to lungs without all the nooks and crannies?

In: Biology

7 Answers

Anonymous 0 Comments

Rhinologist here. Even after removal of all ethmoid sinuses (small ones between the eyes) there is no discernible side effect. Agree with the others here that they are just evolutionary remnants. Although they can be useful crumple zones in a crash.

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