The agonies, groans, curses, and
shrieks that followed were horrible. The struggling mass finally burst
the door, and the captain found seventy-two of the two hundred already
dead; while others, with blood starting from their eyes and ears, and
their bodies in convulsions, were restored, many only to a life of
sickness and debility.
It is ascertained by experiments that breathing bad air tends so to
reduce all the processes of the body, that less oxygen is demanded and
less carbonic acid sent out. This, of course, lessens the vitality and
weakens the constitution; and it accounts for the fact that a person
of full health, accustomed to pure air, suffers from bad air far more
than those who are accustomed to it. The body of strong and healthy
persons demands more oxygen, and throws off more carbonic acid, and
is distressed when the supply fails. But the one reduced by bad air
feels little inconvenience, because all the functions of life are so
slow that less oxygen is needed, and less carbonic acid thrown out.
And the sensibilities being deadened, the evil is not felt. This
provision of nature prolongs many lives, though it turns vigorous
constitutions into feeble ones.
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