Posts Tagged 'sound and hearing'

It’s a fact that human ear can only tolerate so much sound.  Sound waves that enter the ear cause the tympanic membrane (also known as the eardrum) to vibrate. Humans are capable of hearing sounds waves with frequencies between 20 and 20,000 Hz. The three bones inside the human ear (called the malleus, incus, stapes) send these vibrations on to the cochlea, which is a snail-shaped structure filled with fluid that is located in the inner ear. All of this ...