The structure is called the Eustachian tube.
Hope I could help.
The best Therapeutic response would be to ensure to his coworker that every thing is okay and what they are doing is to help prevent infections.
<u>Activity Time</u>
Time for activity so come to activity time.
We do running, swimming, pushups, sit ups, yoga and jumping jacks.
So come join us for a joyful time at activity time.