Anatomy, Physiology, and Hygiene: A Manual for the Use of Colleges, Schools and General Readers

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Allyn & Bacon, 1890 - Anatomy - 415 pages
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Page 362 - I counted the perspiratory pores on the palm of the hand, and found 3,528 in a square inch. Now, each of these pores being the aperture of a little tube of about a quarter of an inch long, it follows that in a square inch of skin on the palm of the hand, there exists a length of tube equal to 882 inches, or 73 feet.
Page 143 - The river Rhine, it is well known, Doth wash your city of Cologne; But tell me, Nymphs! what power divine Shall henceforth wash the river Rhine?
Page 362 - Now, the number of square inches of surface in a man of ordinary height and bulk is 2500 ; the number of pores, therefore, 7,000,000 ; and the number of inches of perspiratory tube, 1,750,000, that is 145,833 feet, or 48,600 yards, or nearly twenty-eight miles.
Page 394 - Afterward they should be hung in the open air, beaten and shaken. Pillows, beds, stuffed mattresses, upholstered furniture, etc., should be cut open, the contents spread out and thoroughly fumigated. Carpets are best fumigated on the floor, but...
Page 65 - Our clothing is merely an equivalent for a certain amount of food. The more warmly we are clad, the less urgent becomes the appetite for food, because the loss of heat by cooling, and consequently the amount of heat to be supplied by the food, is diminished.
Page 393 - Disinfection is the destruction of the poisons of infectious and contagious diseases. Deodorizers, or substances which destroy smells, are not necessarily disinfectants, and disinfectants do not necessarily have an odor.
Page 384 - If you want to see how different the breath breathed out is from the breath taken in, you have only to try a somewhat cruel experiment, but one which people too often try upon themselves, their children, and their work-people. If you take any small animal with lungs like your own— a mouse for instance — and force it to breathe no air but what you have breathed already ; if...
Page 385 - ... years ago as a cloak for ignorance. It must be remembered that the gutter mud of to-day, with its deadly septic organisms, is the dust of to-morrow, which in respiration is deposited upon the mucous membrane of the respiratory passages of those who breathe the air loaded with it.
Page 376 - It should be firm and elastic to the touch, and should scarcely moisten the fingers; bad meat being wet, and sodden, and flabby, with the fat looking like jelly or wet parchment.
Page 363 - I cannot conclude without making mention of the great advantage I received from soaking my clothes twice a day in salt water, and putting them on without wringing. " It was a considerable time...

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