'Also called the auditory tube, this tube that's normally closed opens up when you yawn or swallow'
the eustachian tube
ANATOMY: Also called the auditory tube, this tube thats normally closed opens up when you yawn or swallow
Also called the auditory tube, this tube that's normally closed opens up when you yawn or swallow
Also called the auditory tube, this tube that's normally closed opens up when you yawn or swallow
ANATOMY
the eustachian tube
ANATOMY