|
Eustachian canal connects |
|||
|
a) |
Middle ear with external ear |
b) |
Middle ear with internal ear |
|
c) |
External ear with internal ear |
d) |
Pharynx with middle ear |
|
Eustachian canal connects |
|||
|
a) |
Middle ear with external ear |
b) |
Middle ear with internal ear |
|
c) |
External ear with internal ear |
d) |
Pharynx with middle ear |
(a)
The function of eustachian tube is to equalize air pressure on both sides (external and middle ear) or tympanic membrane. Thus, it connects middle ear with external ear.