Ear
The ear consists of three parts: the outer ear, the middle ear, and the inner ear. Hearing begins when sound waves make it to the middle ear, causing the ear drum to vibrate. Explore the different parts and conditions of the ear. See more »
what's inside: eye, ear, nose and throat channel
Eye, Ear, Nose & Throat are interconnected organs that are vital parts of several body systems. Discover how these organs work as well as conditions that can affect them.
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Eye
Although small in size the eye is an extremely complex organ and captures light and transforms it into impulses that the brain can interpret as images. Discover the different muscles, parts and conditions of the eye. See more »
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Nose & Throat
The nose serves dual functions as the organ for the sense of smell and as an entry to the respiratory tract. The throat is a passageway connecting the back of the mouth and nose to the esophagus and to the windpipe. Discover conditions associated with the nose and throat. See more »
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featured articles
How Your Tongue Works
Despite what people say, the tongue isn't your body's strongest muscle. But you do depend on it for eating, tasting and speaking.
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videos: eye, ear, nose & throat
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Light Enters the Eye
As light enters the eye, it strikes the receptor cells of the retina called the rods and cones. Learn how they work in this detailed medical animation.
How Vision Works
Light is what drives life. It’s hard to imagine our world and life without it. The sensing of light by living things is almost universal. Find out all about the amazing inner workings of the human eye.
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