Through a process known as retronasal olfaction,odorants from the mouth can travel back up into the nasal cavity.

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Retronasal olfaction refers to the perception of odors that are released in the mouth during chewing and swallowing that travel retroactively up through the back of the nasal cavity. This process plays an essential role in our ability to enjoy the taste of food and appreciate its flavors.

Through a Process Known as Retronasal Olfaction,odorants from the Mouth