A Treatise on Anatomy, Physiology, and Health, Designed for Students, Schools, and Popular Use

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Baker & Scribner, 1848 - Anatomy - 220 pages
 

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Page 212 - Let me have men about me that are fat ; Sleek-headed men, and such as sleep o' nights. Yond' Cassius has a lean and hungry look ; He thinks too much : such men are dangerous.
Page 190 - Now, the number of square inches of surface in a man of ordinary height and bulk is 2,500 ; 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 28 miles.
Page 113 - ... through the arch of the aorta to the root of the left lung, and divides into two branches. The bronchi consist of cartilaginous rings, but as these tubes advance into the substance of the lung they diminish in size and firmness, until their place is supplied by fibrous tissue, involuntary muscular fibres, which tissue also disappears, and at length nothing remains but the mucous membrane, which terminates in the air-cells, upon which ramify the ultimate branches of the pulmonary artery and the...
Page 23 - The Seven first Years of Life, man's break of day, Gleams of short sense, a dawn of thought display : When Fourteen Springs have bloom'd his downy cheek, His soft and bashful meanings, learn to speak ; From Twenty-one, proud manhood takes its date ; Yet is not strength complete till Twentyeight. Thence to his...
Page 175 - The teeth of man have not the slightest resemblance to those of the carnivorous animals, except that their enamel is confined to the external surface. He possesses, indeed, teeth called ' canine ;' but they do not exceed the level of the others, and are obviously unsuited to the purposes which the corresponding teeth execute in carnivorous animals.
Page 175 - The natural food of man, therefore, judging from his structure, appears to consist of fruits, roots, and other succulent parts of vegetables ; and his hands offer him every facility for gathering them. His short and moderately strong jaws on the one hand, and his...
Page 189 - 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 164 - Even coffee and tea, the common beverages of all classes of people, have a tendency to debilitate the digestive organs.
Page 189 - The pores are visible to the naked eye upon the palm of the hand, the sole of the foot, and the extremities of the fingers...
Page 210 - I have just considered, man stands alone : his faculties, and what he has effected by them, place him at a wide interval from all animals — at an interval which no animal hitherto known to us can fill up. The manlike monkey, the almost reasonable elephant, the docile dog, the sagacious beaver, the industrious bee, cannot be compared to him. In none of these instances is there any progress either in the individuals or the species.

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