Year-book of Facts in Science and the Arts

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Charles W. Vincent, James Mason
Lockwood & Company, 1843
 

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Seite 175 - Food is either applied in the increase of the mass of a structure (ie, in nutrition), or it is applied in the replacement of a structure wasted (ie, in reproduction). The primary condition for the existence of life is the reception and assimilation of food. But there is another condition equally important — the continual absorption of oxygen from the atmosphere. All vital activity results from the mutual action of the oxygen of the atmosphere and the elements of food.
Seite 265 - Araucariae and cycadeous plants likewise flourish on the Australian continent, where marsupial quadrupeds abound, and thus appear to complete a picture of an ancient condition of the earth's surface, which has been superseded in our hemisphere by other strata, and a higher type of mammalian organisation.
Seite 223 - Dr. Binns says the discovery is due to Mr. Gardner : — " Horn to procure sleep. — Let him turn on his right side ; place his head comfortably on the pillow, so that it exactly occupies the angle a line drawn from the head to the shoulder would form ; and then, slightly closing his lips, take rather a full inspiration, breathing as much as he possibly can through the nostrils. This, however, is not absolutely necessary, as some persons breathe always through their mouths during sleep, and rest...
Seite 175 - ... Physiology has sufficiently decisive grounds for the opinion, that every motion, every manifestation of force, is the result of a transformation of the structure or of its substance ; that every conception, every mental affection, is followed by changes in the chemical nature of the secreted fluids ; that every thought, every sensation, is accompanied by a change in the composition of the substance of the brain.
Seite 210 - ... 4. Water which contains less than about an 8000th of salts in solution cannot be safely conducted in lead pipes without certain precautions. 5. Even this proportion will prove insufficient to prevent corrosion, unless a considerable part of the saline matter consists of carbonates and sulphates, especially the former.
Seite 289 - Cowper's Poems. With Life and Critical Remarks, by the Rev. THOMAS DALE : and 75 fine Engravings by J. Orrin Smith, from Drawings by J. Gilbert. Two vols. crown 8vo. 24s. cloth; 34s. morocco. "The handsomest of the editions of Cowper."— ^racTATom. Pictures of Country Life ; or, Summer Rambles in Green and Shady Places. By THOS. M : i. M . Author of

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