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What is smelling?How do we smell?How can it be defined ,like we can define sound and light as waves,can we define smell?

To be able to detect an odor or fragrance by the use of the olfactory neurons to pick up on use one's nose to detect the smell or aroma dordle

The reason we can smell odors is because the air we breathe in through the nostrils, following the upper nasal passage, acts on the olfactory nerve segments located in the mucosa, making us perceive odors. In the brain there is an odor center, which receives information from the olfactory nerve in the nose and helps us to recognize each type of smell. word wipe