Learned men have made very curious experiments; to ascertain how much
the several organs throw out of the body, It is found that the skin
throws off five out of eight pounds of the food and drink, or probably
about three or four pounds a day. The lungs throw off one quarter as
much as the skin, or about a pound a day. The remainder is carried off
by the kidneys and lower intestines.
There is such a sympathy and connection between all the organs of the
body, that when one of them is unable to work, the others perform the
office of the feeble one. Thus, if the skin has its perspiration-tubes
closed up by a chill, then all the poisonous matter that would have
been thrown out through them must be emptied out either by the lungs,
kidneys, or bowels.
When all these organs are strong and healthy, they can bear this
increased labor without injury. But if the lungs are weak, the blood
sent from the skin by the chill engorges the weak blood-vessels, and
produces an inflammation of the lungs. Or it increases the discharge
of a slimy mucous substance, that exudes from the skin of the lungs.
This fills up the air-vessels, and would very soon end life, were it
not for the spasms of the lungs, called _coughing_, which throw off this
substance.
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