Science Focus - the home of BBC Science Focus Magazine
Does nasal hair have any useful function? © Getty Images

Does nasal hair have any useful function?

Subscribe to BBC Science Focus Magazine and get 6 issues for just £9.99

Everyone has them and its a good thing too! Your nose hairs act as a natural filter to prevent the entry of dust, pollen, spores, viruses and bacteria.

Asked by: Anonymous

Advertisement

Certainly! It’s a filter for dust, pollen, spores, viruses and bacteria. Particles stick to the wet surface of your nose hairs, which prevents them from reaching your lungs and causing infection. Eventually you’ll either blow the nasties into a tissue, or swallow them, to be destroyed in your stomach.


Advertisement

Subscribe to BBC Focus magazine for fascinating new Q&As every month and follow @sciencefocusQA on Twitter for your daily dose of fun science facts.

Authors

luis villazon
Luis VillazonQ&A expert

Luis trained as a zoologist, but now works as a science and technology educator. In his spare time he builds 3D-printed robots, in the hope that he will be spared when the revolution inevitably comes.

Advertisement
Advertisement
Advertisement

Sponsored content