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The excerpt represents the core issue or deciding factor on which you must meditate, and is drawn from Expression of Emotion in Man and Animals by Charles Darwin: for a long time the same forced attitude, it is necessary for him
first to make a deep inspiration, and then to cease breathing;
but he thinks that Sir C. Bell's explanation is erroneous.
He maintains that arrested respiration retards the circulation
of the blood, of which I believe there is no doubt, and he adduces
some curious evidence from the structure of the lower animals,
showing, on the one hand, that a retarded circulation is necessary
for prolonged muscular exertion, and, on the other hand,
that a rapid circulation is necessary for rapid movements.
According to this view, when we commence any great exertion,
we close our mouths and stop breathing, in order to retard
Expression of Emotion in Man and Animals |
