The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 55
... called bile which trickles slowly down a tube , the bile duct , into the small intestine . If a meal is being digested , the bile runs straight down to the intestine ; if not , it is stored until required in a hollow sac , the gall ...
... called bile which trickles slowly down a tube , the bile duct , into the small intestine . If a meal is being digested , the bile runs straight down to the intestine ; if not , it is stored until required in a hollow sac , the gall ...
Página 262
... called forth structure ; and he supposed that these individual adaptations were in a measure inherited . The three - toed horse - if we may use an example unknown to Lamarck- which under changing conditions was always scampering on firm ...
... called forth structure ; and he supposed that these individual adaptations were in a measure inherited . The three - toed horse - if we may use an example unknown to Lamarck- which under changing conditions was always scampering on firm ...
Página 494
... called we find no more remains of Neanderthal man Solutrean ; here a fresh type of flint instruwith his bent thighs and heavy jowl and great ment appears , called laurel - leaf , from its brow - ridges . All subsequent skeletons , how ...
... called we find no more remains of Neanderthal man Solutrean ; here a fresh type of flint instruwith his bent thighs and heavy jowl and great ment appears , called laurel - leaf , from its brow - ridges . All subsequent skeletons , how ...
Índice
THE RANGE NATURE AND STUDY OF LIVING THINGS | 3 |
66 | 5 |
muscles and related | 8 |
Otras 62 secciones no se muestran.
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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