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internal nares (choanae)
What is area at yellow arrows? (the two openings that the nasal cavity 'communicates' with the pharynx
glottis (the vocal folds AND the space between them i.e. the rima glottidis)
What is everything within the yellow oval? (includes the brown structures AND the hole)
bifurcation of trachea
What is this area called where the tube first branches?
____ of ____ (tissue)
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