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The Ear
The Anatomy and functions of the ear
| Question | Answers |
|---|---|
| Pinna | The visible part of the outer ear. It collects sound and directs it into the outer ear canal. |
| Hammer | A tiny bone that passes vibration from the ear drum to the anvil. |
| Ear Canel | The tube through witch sound travels to the ear drum |
| Ear Drum | A thin membrane that vibrates when sound waves reach it. |
| Stirrup | A tiny, U shaped bone that passes vibrations from the stirrup to the cochlea. This lithe smallest bone in the human body. |
| Eustachian Tubes | A tube that connects the middle ear to the back of the nose; it equalizes the pressure between the middle ear and the air outside. when you "pop" your ears as you change altitude you are equalizing the air pressure in your middle ear. |
| Cochlea | a spiral-shaped, fluid-filled inner ear structure; it is lined with tiny hairs that move when vibrated and cause a nerve impulse to form. |
| Auditory Nerve | these carry electro-chemical signals from the inner ear to the brain. |
| Semi-circular canals | Three loops of fluid-filled tubes that are attached to the cochlea in the inner ear. They help us maintain our sense of balance |
| Anvil | A tiny bone that passes vibrations from the hammer to the stirrup. |
Created by:
Livybivy03
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