Question

the border between the middle and inner ear is formed by
a) incus
b) oval window
c) pinna
d) tympanic membrane​

Answer 1

Answer:

Option d is your correct answer.

The border between the middle and inner ear is formed by tympanic membrane.

Answer 2

Tympanic membrane formed the border between middle and inner ear .

Explanation:

The tympanic membrane ,also called as the eardrum .It makes the boundary line between outer and middle ear .

when the sound waves approaches to tympanic membrane , the membrane vibrates .. The vibrations are then transported to tiny bones in middle ear.

The middle ear bones then transfer the vibration to inner ear .