The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 35
... operation of one organ with another . Twenty or thirty years ago it was thought that the co - operation of part with part was ensured through the nervous system alone , either consciously through the brain or unconsciously by the ...
... operation of one organ with another . Twenty or thirty years ago it was thought that the co - operation of part with part was ensured through the nervous system alone , either consciously through the brain or unconsciously by the ...
Página 50
... operation that he performs on the cars that pass him - a part to insert , a particular bolt to tighten . The process is so organized that finally , at the other end of the platform , the car stands completed . Now imagine the motion of ...
... operation that he performs on the cars that pass him - a part to insert , a particular bolt to tighten . The process is so organized that finally , at the other end of the platform , the car stands completed . Now imagine the motion of ...
Página 632
... operations in those days were due to bacteria , they could not get a real grip on the matter . They were fighting an unknown ... operation . This , he found , sometimes killed the tissues as well as the bacteria . Then he tried milder ...
... operations in those days were due to bacteria , they could not get a real grip on the matter . They were fighting an unknown ... operation . This , he found , sometimes killed the tissues as well as the bacteria . Then he tried milder ...
Índice
THE RANGE NATURE AND STUDY OF LIVING THINGS | 3 |
66 | 5 |
muscles and related | 8 |
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Términos y frases comunes
active algæ animals arthropods bacteria become birds blood body bones brain branches called capillaries carbon carbon dioxide cells Cenozoic changes chemical chromosomes colour creatures crustaceans digestive Echinoderms eggs elaborate embryo Eocene Everyman evolution example eyes fact female fertilized fish flatworms flowers fluid forms fossils gametes genes germ-plasm glands grow growth heart human Ichthyosaurs important individual insects intestine kidneys kinds land larvæ layer less limbs liver living things lobster lungs male mammals marsupials matter means ment microscopic million molluscs mouse mouth movements muscles mutations nervous system normal notochord Obelia organs ovary ovum oxygen pair parasitic phylum plants polyps produced proteins prothallus protozoa reproduction reptiles round secretion sense-organs sexual shell skeleton skin species spermatozoa sperms spores stage starfish stomach structure substances surface swim tail teeth thyroid tiny tion tissue to-day tube types variations various vertebrates whole worms