Your ears allow you to hear a variety of sounds. They also help maintain your balance and body position. There are a variety of interesting things about the ears. Here a few cool facts below:
Your ears pick up sound waves. However, your brain is what interprets the sound.
Sounds waves are passed from air to liquid in the inner ear. The inner ear has tiny hair cells, which react to sound waves. This triggers chemicals that are sent to the brain as nerve impulses.
Skin glands in the ear canal, produce ear wax. Ear wax lubricates and cleanses the ear of dirt and dust.
Your ears never stop working, even when you are asleep. Your ears can still hear sounds, but your brain shuts them off.
Your ears are self-cleaners. Minute hairs in the ear canal, pushes ear wax forward out of the ear.
Your ear drum is smaller than 0.7 inches in width. It also moves less than a billionth of an inch, while hearing.
Your sense of hearing, depends on tiny hairs in your inner ear. If you lose these hairs, you lose your hearing.
The number one cause of hearing loss, is exposure to excessively loud sounds (85 decibels or higher).
Earwax lubricates our ears, the same way as tears lubricate our eyes. Without adequate amounts of earwax, our ears would feel dry and itchy.
You should never stick anything in your ear. This includes Q-tips and your fingers. They can push wax further into the ear, where it can become blocked.
The ear works as an amplifier. Most of the time, normal human ears can produce constant tones of sound. Many times, tinnitus are caused by this feedback.
Human earlobes may be free (hanging free from the head) or attached (joined to the head). Free earlobes are twice as common in humans as attached lobes.
Hearing occurs when sound travels through the ear to the eardrum. The eardrum, then, vibrates three small bones that cause vibrations in fluid in the cochlea. The cochlea is where 20,000 nerve cells send messages to the brain.
The ear flap protects the internal parts of the ear. It also helps to transport sound to the inner ear.
The semi-circular canals in your inner ear, send messages to your brain. This helps you keep your balance when you move.
Your ears contain a liquid, which helps your brain know if you are moving. If you spin around very fast, the liquid takes a while to settle down. This is why you can sometimes feel a little dizzy.
Teenage hearing loss is on the rise. This is possibly caused by an increase of gaming, mobile phones, and computer use.
You’re born with about 3500 of hair cells. They can be damaged by really loud noises. Make sure to wear ear plugs, if you are going to be around loud noises.
At the age of 65, one in three adults has some hearing loss. Surprisingly, a majority of the people who suffer from hearing loss, are under age 65.
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