How do we smell?
Today we have been talking about how our sense of smell works. Did you know the inside of your nose is filled with goblet cells which create mucus, and very tiny hairs called cilia. The bigger hairs, which according to my little boy only grown ups ( and by that he means his Daddy ) have, help stop unwanted particles getting into your nose. Everything you smell gives off molecules which are very light and float in the air. When these...
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