Interesting Facts About Hearing.

The world is filled with many interesting facts.  Here are a few interesting ones about our miraculous ears.

1.The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.

2.Wearing headphones for just an hour will increase the bacteria in your ear by 700 times.

3.The ears of a cricket are located on the front legs, just below the knee.

4.A giraffe can clean its ears with its 21-inch tongue.

5.Most people associate ears with hearing and sound but don’t realize that the inner ear helps them to have good balance as they walk and run as well.

6.The smallest bone found in the human body is located in the middle ear and is only 2.8 millimetres long. It is also commonly known as the hammer, anvil and stirrup and collectively all three bones can fit together on a penny.

7.Animals hear better than humans, especially dogs who can hear at much higher frequency than humans.

8.When you go up to a high elevation, your ears pop.  This is because your Eustacion tubes are equalizing the pressure between the outside air and that inside your ear.

9.The ear continues to hear sounds, even while you sleep.

10.Fish do not have any ears but they can hear by the changes of pressure through the ridges on their body.
11.Snakes can hear through their jaw bone and through a traditional inner ear. In essence, snakes have two types of hearing mechanisms, which also helps them hear and catch prey.
12.Sitting in front of the speakers at a pop or rock concert can expose you to 120 decibels, which will begin to damage hearing after only seven and a half minutes.
13.Thirty-seven percent of children who have a minimal hearing loss will fail at least one grade.
14.Male mosquitoes hear with thousands of tiny hairs that grow on their antennae.

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