Draw the diagram of ear ? …

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Draw the diagram of ear ? And explain who the sound to ear

Posted by Nitu Ladha 5 years, 9 months ago

CBSE > Class 08 > Science

1 answers

Meghna Thapar 5 years, 9 months ago

We hear Sound through Our Ears:

The ears are the sense organs which help us in hearing. The shape of the outer part of the ear is like a funnel. The outer part of the ear is called pinna which is attached to about 2 to 3 centimetre long passage called ear canal. At the end of the ear canal a thin, elastic and circular membrane called eardrum is stretched tightly. There are three small and delicate bones called hammer, anvil and stirrup in the middle part of the ear which are linked to one another. The inner part of the ear has a coiled tube called cochlea. The eardrum sends vibrations to the inner ear. From there, the signal goes to the brain and we hear.

We should not put anything like pin, pencil or pen inside our ears as they can tear the eardrum and make a person deaf.

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CBSE > Class 08 > Science