The Ear - THE EAR By Tooba Khan THE 3 MAIN PARTS The outer...

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THE EAR By Tooba Khan
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THE 3 MAIN PARTS The outer ear; The middle ear; The inner ear.
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Outer ear: catch the wave
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THE OUTER EAR: CATCH THE WAVE Called the Pinna or the auricle. It’s job is to collect the sounds Also includes the ear canal where ear wax is made Ear wax protects the ear canal It fights of infections that could hurt the skin inside the ear canal Also collects dirt to keep the canal clean
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THE MIDDLE EAR: Good vibrations
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THE MIDDLE EAR: GOOD VIBRATIONS It’s job is to take the sound waves that enters in it from the ear canal and turn them into vibrations to deliver to the inner ear. To do this it requires the ear drum; a thin piece of skin stretched tight like a drum. The ear drum separates the outer ear from the middle ear and the ossicles – the three most delicate bones in the human body.
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The ossicles
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Malleus – attached to the ear drum Incus – attached to the malleus Stapes – the smallest bone in the body, attached to the incus When the ear drum vibrates, it moves the tiny ossicles from the malleus to the incus to the stapes.
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The Ear - THE EAR By Tooba Khan THE 3 MAIN PARTS The outer...

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