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The Epic Interactive Encyclopedia 1996
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Epic Interactive Encyclopedia, The (1996)(Epic Marketing)[non-bootable].iso
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spiracle
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1992-09-02
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286b
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9 lines
A spiracle in insects, is the opening of a
trachea, through which oxygen enters the body
and carbon dioxide is expelled. In
cartilaginous fishes (sharks and rays), the
same name is given to a circular opening that
marks the remains of the first gill slit.
Subject by: Vince Pike