A Civic Biology: Presented in ProblemsAmerican Book Company, 1914 - 432 páginas |
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alcohol American Book Company amount bacteria bean birds blood vessels body brain breathing breeding called CALORIES Carbohydrates carbon dioxide cause cavity cells cent cerebrum Charles Darwin Civic Biology colorless corpuscles containing corpuscles cotyledon Demonstration digestion diphtheria disease Effect of Alcohol eggs environment especially experiment fever fish flower fluid food material food tube frog fruit FUEL VALUE functions germs Ginn and Company glands grain green plants grow growth habit heat human Hygiene insects intestine kidneys larvæ leaf living matter lungs Macmillan Company microscope milk mold mouth muscles nerve nervous system nitrogen nutrients organs osmosis oxidation oxygen paramecium parasite pass Pasteur plants and animals poison pollen Problems in Civic protein protoplasm Protozoa Relation respiration root hairs seeds skin soil starch structure substances sugar supply surface temperature tiny tion tissues trees tuberculosis typhoid walls waste week yeast young
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Página 351 - The hell to be endured hereafter, of which theology tells, is no worse than the hell we make for ourselves in this world by habitually fashioning our characters in the wrong way. Could the young but realize how soon they will become mere walking bundles of habits, they would give more heed to their conduct while in the plastic state.
Página 351 - We are spinning our own fates, good or evil, and never to be undone. Every smallest stroke of virtue or of vice leaves its never so little scar. The drunken Rip Van Winkle, in Jefferson's play, excuses himself for every fresh dereliction by saying, "I won't count this time!
Página 351 - Nothing we ever do is, in strict scientific literalness, wiped out. Of course, this has its good side as well as its bad one. As we become permanent drunkards by so many separate drinks, so we become saints in the moral, and authorities and experts in the practical and scientific spheres, by so many separate acts and hours of work.
Página 261 - Remedy. -If such people were lower animals, we would probably kill them off to prevent them from spreading. Humanity will not allow this, but we do have the remedy of separating the sexes in asylums or other places and in various ways preventing intermarriage and the possibilities of perpetuating such a low and degenerate race.
Página 351 - Let no youth have any anxiety about the upshot of his education, whatever the line of it may be. If he keep faithfully busy each hour of the working day, he may safely leave the final result to itself. He can with perfect certainty count on waking up some fine morning to find himself one of the competent ones of his generation, in whatever pursuit he may have singled out..
Página 261 - He was pastor of the church in East Windsor, Connecticut, for fifty-nine years. Of eleven children the only son was Jonathan Edwards, one of the world's great intellects, preeminent as a divine and theologian, president of Princeton College. Of the descendants of Jonathan Edwards much has been written; a brief catalogue must suffice: Jonathan Edwards, Jr., president of Union College; Timothy Dwight, president of Yale; Sereno Edwards Dwight, president of Hamilton College; Theodore Dwight Woolsey,...
Página 14 - It is within the power of man to cause all parasitic diseases (diseases mostly caused by bacteria) to disappear from the world." His prophecy is gradually being fulfilled, and it may be the lot of some boys or girls who read this book to do their share in helping to bring this condition of affairs about.
Página 8 - Too often our study of an animal or a plant takes the easiest rather than the most illuminating path. What is easier, for instance, particularly with large classes of restless pupils who apparently need to be kept in a condition of uniform occupation, than to kill a supply of animals, preferably as near alike as possible, and set the pupils to work drawing the dead remains? This method is...
Página 8 - ... should be a consistent chain of ideas which the laboratory may serve to elucidate. When, however, the laboratory assumes the first place and other phases of the course are made explanatory to it, we have taken, in my mind, an attitude fundamentally wrong.
Página 262 - Woolsey, for twenty-five years president of Yale College; Sarah, wife of Tapping Reeve, founder of Litchfield Law School, herself no mean lawyer; Daniel Tyler, a general of the Civil War and founder of the iron industries of north Alabama ; Timothy Dwight, the second, president of Yale University from 1886 to 1898; Theodore William Dwight, founder and for thirty-three years warden of Columbia l.aw School ; Henrietta Frances, wife of Eli Whitney, inventor of the cotton gin, who, burning the midnight...