Democratic Sentinel, Volume 3, Number 45, Rensselaer, Jasper County, 19 December 1879 — Facts About the Human Body. [ARTICLE]

Facts About the Human Body.

The average man nif-aanres about five feet three and one-half inches. The weight ot the average male adult is 140 pounds. The human skeleton consists cyf more than -not) distinct bodes. There are more than SOD separate muscles in the bod v, and an equal nuinber ot nerves and blood vessels. The skin contains more than two million openings, which ate au outlet for an equai number of sweat giands. Each perspiratory duct fourth of an inch in length, which will make the aggregate length ot the whole about nine mites. Every adult man har foiT’een fcuddjtvd square t*.et ol lungs; < J*. r th t the m-;-cuous ntembraiie limn" the air cells of his lungs, il spread upon a snv oth, plane surface, would cover an extent of fourteen hundred square feet. Ala ut two thirds of a pint of air is inhaled at each breath in ordinary respiration. The full capacity of the lungs is about three hundred aud twenty cubic inches. A man breathes eighteen times a minme, and use» three thousand cubic feet, • r about three hundred and seventy-five hogsheads of sir per hour. The weight of the heart is from eight to twelve ounces. It beats one hundred 'thou-and times in twenty-idur hours. An amount of blood equal to the whole quantify of the bodv, passes through the heart every minute. The stomach daily pr< duces aboui nine Dounds-of gastric juice for the digestion ot the food; Us capacity is about e pints.