Your nose has nerve endings in it just like your tongue. Scent is the detection of chemicals in the air that are being produced by an object.
Sometimes, if the nose is worn out by smelling something for too long (nose blindness) or just can’t get enough of a chemical, you can’t smell it.
Your taste buds are similar to these scent sensing nerves and can also pick up on these similar chemicals clinging to your tongue. This is also why things can taste funny If.your nose is stuffy. Scent and taste are very similar processes and very closely linked.
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