The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 99
... begin to fall off . The professional athlete has to retire and be forgotten long before his death , but the professional thinker generally has the privilege of dying in harness . Perhaps the earliest sign of decay in the human body is ...
... begin to fall off . The professional athlete has to retire and be forgotten long before his death , but the professional thinker generally has the privilege of dying in harness . Perhaps the earliest sign of decay in the human body is ...
Página 753
... begin taking little flights from place to place on the building ; the flights become longer and more numerous ; and after twenty minutes or so bands begin to leave in all directions for the business of the day . An even stranger preface ...
... begin taking little flights from place to place on the building ; the flights become longer and more numerous ; and after twenty minutes or so bands begin to leave in all directions for the business of the day . An even stranger preface ...
Página 847
... begin small and are , as it were , inflated to a proper size . Whatever these flattened and crum- pled visages and figures may be , they are certainly not materializations in living flesh and blood ; these chosen photographs demonstrate ...
... begin small and are , as it were , inflated to a proper size . Whatever these flattened and crum- pled visages and figures may be , they are certainly not materializations in living flesh and blood ; these chosen photographs demonstrate ...
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