The Science of Life, Volumen 4Cassell, 1931 - 896 páginas |
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Página 25
... muscles . At the sides of the head there are the eight muscles that move the jaw . Below are the complex muscles of the throat , tongue and voice - box , and occasionally we meet gifted individuals who have extra head muscles - thin ...
... muscles . At the sides of the head there are the eight muscles that move the jaw . Below are the complex muscles of the throat , tongue and voice - box , and occasionally we meet gifted individuals who have extra head muscles - thin ...
Página 26
... muscles in the human body is very much greater . But let us leave to the medical student the labours peculiar to his profession . These hundreds of muscles that move the human machine about are controlled by the nerves , tough white ...
... muscles in the human body is very much greater . But let us leave to the medical student the labours peculiar to his profession . These hundreds of muscles that move the human machine about are controlled by the nerves , tough white ...
Página 70
... muscles as one only of the many sides of its activity . The muscles that cause the wilful move- ments of man or mouse work under the direct impulsion of the central nervous system . To every muscle - fibre in a well- controlled muscle ...
... muscles as one only of the many sides of its activity . The muscles that cause the wilful move- ments of man or mouse work under the direct impulsion of the central nervous system . To every muscle - fibre in a well- controlled muscle ...
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