Page 174 - A Definitive Reply to Evolutionist Propaganda
P. 174
A DEFINITIVE REPLY
TO EVOLUTIONIST
PROPAGANDA
The middle ear, which possesses such a flawless design, needs
to maintain an important equilibrium. The air pressure inside the
middle ear has to be the same as that beyond the eardrum—in other
words, the same as the surrounding atmospheric air pressure. But
this balance has been thought of, and a canal between the middle
ear and the outside world allowing an exchange of air has been
built in. This canal is the Eustachian tube, a hollow tube running
from the inner ear to the oral cavity.
The process whereby these mechanical motions begin to be
turned into sound begins in the area known as the inner ear. In the
inner ear is the cochlea, a spiral-shaped organ filled with liquid. The
cochlea is linked to the stirrup bone by a membrane. By this con-
nection, the mechanical vibrations in the middle ear are sent on to
the liquid in the cochlea.
The vibrations which reach the liquid in the cochlea set up wave
effects in it. The inner walls of the cochlea are lined with small hair-
The vibrations from an external noise cause the liquid in the inner ear to vi-
brate. The movement of this liquid sets the tiny hairs on the inner walls of
the cochlea, shown in this picture, in motion. The movements of these hairs
allow the sound of a violin, a television newsreader's voice or the wailing of
a cat in the street to reach the brain in the form of electrical signals. Thanks
to these flawless structures we are able to distinguish between millions of
different sounds. Science has still not unravelled all the technical details of
this system, which has been functioning flawlessly
ever since the first human being. Here, we tectorial membrane
need to see the immaculate art vestibular canal
of God, our Creator, cochlear
canal
and give thanks pressure waves
for the bless- oval win-
ings He has dow tympanic
canal
bestowed
upon us. stirrup
nerve fibers
organ of
Corti basilar
membrane
hair cell in organ of Corti
round
window
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