more developed than that of man. For this reason, their sense of
smell is superior to man's.
By means of all these abilities, dogs can sense the smell of prey,
trace it and fetch a hunter's catch even if it is kilometres away. A sniff
of something belonging to a person suffices for a police dog to find
its owner. Those huge flabby-cheeked dogs the Saint Bernards, for
example, can easily detect injured people stuck beneath the snow
with their sensitive noses and rescue them. This extraordinary sense of
smell that dogs have is itself a miracle.
Dogs also use their noses to
breathe air. Passing through
the nose, air is filtered,
warmed and moisturised and
then it makes its way to the
lungs.
Unlike human beings, these
creatures do not sweat to
regulate
their
body
temperatures, because there
are no sweat glands in their
body. Regulation of body
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