File:Physiology, hygiene and sanitation, an elementary textbook of physiology, with special attention given to hygiene and sanitation (1919) (14785073123).jpg

Identifier: physiologyhygien00heiz (find matches)
Title: Physiology, hygiene and sanitation, an elementary textbook of physiology, with special attention given to hygiene and sanitation
Year: 1919 (1910s)
Authors: Heizer, W. L. (W. Lucien), b. 1880
Subjects: Physiology Hygiene Sanitation
Publisher: Louisville, Ky., C.T. Dearing Printing Co., Incorporated
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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t washing, becausethey are exposed to the dirt of the air and the hands aresoiled by the work they do. Often the hands pick updangerous bacteria andthey should be washedthoroughly with soap andwater before eating or.preparing a meal. The Feet pick up dustfrom the street and whileat work. Shoes are notdust or water-tight andthe feet become uncleanquickly and require fre-quent cleansing. Veryoften the feet give off a bad odor. This may not be be-cause they are not frequently bathed, but because ofan infection by certain germs which are growing in theskin and between the toes. A physician can relieve thisby ordering an antisep-tic for the foot-bathand a similar powder tobe dusted into thestockings and shoes. Hot baths should notbe taken at once aftermeals because the bloodwill be drawn awayfrom the digestiveorgans which need it for their work. A cold bath should not be taken whenone is hot or tired, because the body may become chilledtoo quickly. The work one does and the state of health
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Fig. 125.—Showing natural directionof the big toe. (Feet of an unshodsavagre.) 246 PHYSIOLOGY, HYGIENE AND SANITATION will be the guides for the number and kind of baths onemay need. Clothing. The skin alone, in cold climates and thosesubject to sudden changes in weather, can not keep thebody heat at an even temperature. Clothing is neededto protect the body from injuries, insects, bacteria, andto keep the body heat regulated by preventing too muchor too rapid loss of the body heat. Clothing does notwarm anybody. It simply prevents the escape of heat from the body.In cold weatherthe cloth shouldbe loosely wovenso that the airspaces betweenthe threads willprevent heatfrom passingthrough. Mostof our clothingis made fromthe hairs of ani-mals (woolencloths andfurs) or fibersfrom plantsthe web of a

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