The following questions refer to this diagram of the ear.

-The structure involved in equalizing the pressure between the ear and the atmosphere is represented by number
A) 7.
B) 1.
C) 8.
D) 9.
E) 10.

Question

The following questions refer to this diagram of the ear.
 
-The structure involved in equalizing the pressure between the ear and the atmosphere is represented by number
A) 7. 
B) 1. 
C) 8. 
D) 9. 
E) 10.

Quizplus · Accepted Answer

Number 8 represents the eustachian tube, which equalizes pressure between the ear and the atmosphere.

The Following Questions Refer to This Diagram of the Ear