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1?8 Importance of the Teeth
This notion were not worthy of notice, but for amusement,
as any one will perceive that a division of any part of the ear
cannot effect the nerves of the teeth, as they are derived from
a different source.

IMPORTANCE OF THE TEETH TO THE
ANIMAL ECONOMY.
The human system may be compared to a very complicated
but perfect machine, all of whose parts are essential to its
perfect operation.
When the physiologist first contemplates the structure of
the human body, he is struck with its apparently complicated
nature ; but as he examins it, he perceives the beautiful sim-
plicity by which the different organs and parts constituting a
perfect whole, all of which are essential to its perfection. To
each organ is assigned a particular and important function,
and in health, all the organs act in unison and thus promote
each others action ; but when one organ becomes disordered,
it is a law of nature that the whole must suffer more or less
in proportion to the injury: hence, there is no part of tha
animal system but that is essential to its welfare. The im-
portance of the teeth may be illustrated on this principle. The
performance of the functions of the teeth is essential to the
welfare of the animal economy ; and hence most animals are
furnished with a masticatory apparatus, and the loss or destruc-
tion of this apparatus is attended with serious consequences,
as is seen with some domestic animals, which, under such
circumstances, dwindle away and die. The loss of the teeth
does not prove so serious to man, as he can contrive means
for preparing his food for digestion ; yet even to him, the mas-
tication of the food, and its commixture with the saliva is
essential to digestion, By making the stomach perform *>»