Question

how human ear works?​

Answer 1

Answer:

Explanation:1.when sound from source reaches us pinna collects the sound waves transfers it to middle ear through ear canal the waves vibrate on tympanum or ear drum.

2.the middle ear comprises of 3 bones hammer anvil stirrup

3.these bones amplify the sound as auditory nerves in cochlea are sensitive to loud waves.

4 . Eustachian tube maintains same pressure as of throat

5. The waves are passed into inner ear when stirrup vibrates on oval window a liquid in cochlea transfers these waves to auditory nerves

6. Nerves convert waves into electric signals.

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Answer 2

Answer:

It collects sound waves and channels them into the ear canal (external auditory meatus), where the sound is amplified. The sound waves then travel toward a flexible, oval membrane at the end of the ear canal called the eardrum, or tympanic membrane. Sound waves cause the eardrum to vibrate.