How human ear works?

Answer 1

The ear has 3 parts. The inner ear, the outer ear and the middle ear. How it Works The ear canal channels sound waves to your eardrum (a thin, sensitive membrane stretched tightly over the entrance to your middle ear). The waves cause your eardrum to vibrate. It passes these vibrations on to the hammer, one of three tiny bones in your ear. The hammer vibrating causes the anvil, the small bone touching the hammer, to vibrate. The anvil passes these vibrations to the stirrup, another small bone that touches the anvil. From the stirrup, the vibrations pass into the inner ear. The stirrup touches a liquid filled sack and the vibrations travel into the cochlea, which is shaped like a shell. Inside the cochlea, there are hundreds of special cells attached to nerve fibres, which can transmit information to the brain. The brain processes the information from the ear and lets us distinguish between different types of sounds.

Answer 2

The outer ear gathers sound waves and directs them to the ear drum. The ear drum vibrates when sound waves strike it. In the middle ear three small bones move with that vibration and translate the vibrational energy to mechanical energy which it transferred to the cochlea (inner ear). In the cochlea the energy becomes pressure waves in a fluid. These pressure wave move through the cochlea (shaped like a snail shell) and trigger nerve endings called hair cells which are sensitive to different wavelengths. Each stimulated hair cell sends a nerve signal to the brain which processes the whole as sound.

Answer 3

Your ears have three parts; the outer ear, the middle ear and the inner ear.

We can see the outer ear. The ear canal on the outer ear works like a funnel to take the sound waves in and guide them to the eardrum.

The middle ear is the small space on the inside of the eardrum that we cannot see as the eardrum is on the inside of our ears. There are three small bones on the inside that are called the hammer, anvil and stirrup. When the eardrum vibrates because of the sound waves, the small bones that is mentioned here pass the vibration down to the oval shaped window of the cochlea. Because the hammer is touching the eardrum, it vibrates when the sound goes through and it goes right through to the anvil and to the stirrup which is touching the cochlea.

In the inner ear the cochlea has fluid in it which moves and bends the hairs on the outside of the cells. The hair cells are not like the ones on your head because they are much tinier and there are about seventeen thousand hair cells in each ear. Some of the hair cells create an electrical pulse which is sent along the auditory nerve to the brain. Most of the cells are like miniature muscles cells which react to the vibrations of the fluid by trembling and shaking. They work like high quality amplifiers and make the vibrations much clearer and stronger for the smaller number of inner hair cells. Then the brain works out what you're hearing. It seems like a very long process but we all know that it is very quick that is why it doesn't take us extremely long to work out what someone's saying when a person is speaking to us.

Answer 4

Your ear isn't quite a simple machine. There is three main parts to the ear. The outer,middle,and inner ear. Sound starts of by hitting the outer ear. Then travels through a tube shaped part of your ear, and hits this thin sheet of skin,also known as your eardrum. The eardrum vibrates and hits 3 tiny little bones. Now we are heading into the middle ear. After it hits the 3 tiny bones, the sound hits a bigger hollower bone. Now we are finally heading into the inner ear. Once it hits that bigger bone, the bone hits this liquid. The liquid moves around your ear and eventually bumps into your nerve cells. The nerve cells send a signal to your brain. The brain can now tell you what you are hearing. It is amazing how this works. Be careful not to somehow burst your eardrum because once it bursts it is done forever. No repairing itself.

Answer 5

you interior ear is a small part, like a bubble, which allows you to hear to hear things...Your outer ear, is full of bones...It is what makes the ear visible...It also allows you not to look weird with just a hole in your head!!!

Answer 6

Sound waves are channeled by the external ear, or pinna, through the external canal. causing the tympanic membrane to vibrate. This vibration activates the tiny bones of the inner ear-the hammer, anvil and stirrup. their mechanical vibrations are passed along from the oval window to the cochlea, where they set in motion the fluid in its canal. Tiny hair cells lining the coiled basilar membrane within the cochlea bend as the fluids move, stimulating nerve endings attached to them. The mechanical energy is then transformed into neural energy and sent to the brain.

Answer 7

The eardrums are like an omnidirectional microphone. The sound pressure moves the membrane (diaphragm) from one side.