Here’s some trivia: People who don’t have the sublingual frenulum can, with some practice, reach their tongues to the nasal cavity and directly touch the back side entrance of both the nasal tubes (choanas) and eustachian tubes (auditory, surrounded by the bony cushion).
Here’s some trivia: People who don’t have the sublingual frenulum can, with some practice, reach their tongues to the nasal cavity and directly touch the back side entrance of both the nasal tubes (choanas) and eustachian tubes (auditory, surrounded by the bony cushion).
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