Cochlea

Outer Ear: Funnel Sound In Inner Ear

Middle Ear 

Impedance Matching 

Sound Waves Transmitted From Middle To Inner Ear

Transmission Of Sound Waves

Potassium Ion Entering The Hair Cell

It increases Glutamate transmitter release at the base 

Glutamate increases the firing rate in axon to Auditory Nerve

Auditory Pathway 

Cochlear Implants For The Deaf

Elephant Ears 

eLEPHANTS 

Their EARS CAN GROW SIX FEET LONG AND FOUR FEET WIDE.

ELEPHANTS USE THEIR EARS TO STAY COOL. 

ELEPHANTS’ EARS HELP THEM HEAR LONG DISTANCES. 

This elephant’s ears allow them to hear up to six miles away from their current location. They can also hear another elephant’s call up to two and half miles away

ELEPHANTS USE THEIR EARS TO COMMUNICATE.

                                                                        Snapshot