Cochlea a protein motor called prestin on their outer membranes; it generates additional movement that couples back to the fluid–membrane wave. This "active amplifier" is essential in the ear's ability to amplify weak sounds. The active amplifier also leads to the phenomenon of soundwave vibrations being emitted from the cochlea back into the ear canal through the middle ear (otoacoustic emissions). Otoacoustic emissions are due to a wave exiting the cochlea via the oval window, and propagating back through the middle ear to the eardrum, and out the ear canal, where it can be picked up by a microphone. Otoacoustic emissions
Where I Find You music background." The top tracks according to Greer was "Steady My Heart," "We Are," "Find You on My Knees". Cross Rhythms' Tim Holden said that "If you like uplifting pop done well, go get this album." Indie Vision Music's Jonathan Andre said "the result of this realisation is 12 songs of raw passion, honesty and devotion to the God of the universe. With such moving and emotional lyrical content, Kari is able to allow the listener to encounter and experience the Lord’s promises and truths upon their life, praising and exalting Him in the process." Andre wrote that "with the