How many ears do you have?
It seems like a strange question, to ask, "How many ears do we have?" and yet there are many misconceptions about the ear. For example, we have already discussed how we don‰t hear with our ears.
The ear, as wonderful as it is, is simply a transducer--a mechanism that changes the form of energy in a message. In the case of hearing, mechanical sound waves are converted into electro-chemical impulses.
So let‰s begin this section with a short pop quiz. Let's see how you do? Here is the multiple choice question:
How many ears do you have?
NOTES: See a more technical review of the ear.