The external ear can be functionally and structurally split into two sections the auricle or pinna and the external acoustic meatus. Learn about the anatomy of the ear and how the inner ear middle ear and outer ear work together to move sound for processing and translation. The external ear which consists of the pinna concha and auditory meatus gathers sound energy and focuses it on the eardrum or tympanic membrane figure 133 one consequence of the configuration of the external ear is that it selectively boosts the sound pressure 30 to 100 fold for frequencies around 3 khz this amplification makes humans especially sensitive to frequencies in this . The ear has external middle and inner portions the outer ear is called the pinna and is made of ridged cartilage covered by skin sound funnels through the pinna into the external auditory canal a short tube that ends at the eardrum tympanic membrane sound causes the eardrum and its tiny
How it works:
1. Register a Free 1 month Trial Account.
2. Download as many books as you like ( Personal use )
3. No Commitment. Cancel anytime.
4. Join Over 100.000 Happy Readers.
5. That's it. What you waiting for? Sign Up and Get Your Books.