Page 98 - Darwinism Refuted

trachea

front air sacs

rear air sacs
B BIRDS' SPECIAL
lung
RESPIRATORY
SYSTEM

Fresh air Fresh air
Stale air
Trachea
Fresh air
does not Rear air sacs are
pass through filled with fresh air
flont air sacs

Front air
sacs are
filled with BREATHING IN: The air
the stale air which enters birds'
coming from respiratory passages goes
the lungs to the lungs, and to air
sacs behind them. The air
which is used is
Lung
transferred to air sacs at
the front.

Stale air
BREATHING OUT: When a bird
breathes out, the fresh air in the
rear air sacs goes into the lungs.
With this system, the bird is able
to enjoy a constant supply of
fresh air to its lungs.
Fresh air moves out There are many details in this
of the rear air sacs lung system, which is shown in
to the lungs. very simplified form in these
diagrams. For instance, there are
special valves where the sacs join
the lungs, which enable the air to
Stale air is flow in the right direction. All of
expelled from these show that there is clearly
the front air “creation” at work here. These
sacs. special systems not only deal a
death blow to the theory of
evolution, they are also among
Lung
the innumerable proofs of the
fact of creation.