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system
(redirected from respiratory system)

   Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
system noun arrangement, artificium, classification, formula, logical process, manner, means, method, modeof management, operation, order, orderliness, orderly combiiation, organization, pattern, plan, policy, practice, procedure, process, program, recipe, regime, regimen, regularity, scheme, settled procedure, state of order, strategy, technique, way
Associated concepts: commercial system, governmental system, judicial system, legal system, retirement system
See also: arrangement, array, avenue, bureaucracy, codification, complex, contrivance, course, development, device, doctrine, form, guide, hierarchy, institute, means, method, mode, modus operandi, opportunity, order, plan, practice, procedure, process, program, rule, scheme, strategy, usage


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The author traces the critical geological periods during which life emerged, examining each period's fossil record for clues to the evolution of certain body plans, He explains how dinosaur metabolism, form, and reproduction were uniquely suited for this period in Earth's history, Ward asserts that modern bird flight is a vestige of the dinosaurs' respiratory system becoming adapted to low-oxygen air.
It also may aggravate chronic lung diseases like emphysema and bronchitis, may reduce the immune system's ability to fight off bacterial infections in the respiratory system and may cause permanent lung damage.
Though most valuable when purchased as a complete set, each book individually is valuable: members of this group include NERVOUS SYSTEM AND SENSE ORGANS (0313324565), URINARY SYSTEM (0313324026), REPRODUCTIVE SYSTEM (0313324492), RESPIRATORY SYSTEM (0313324244), SKELETAL SYSTEM (0313325219), MUSCULAR SYSTEM (0313324034), LYMPHATIC SYSTEM (0313324948), ENDOCRINE SYSTEM (0313326991), DIGESTIVE SYSTEM (0313326800), and CIRCULATORY SYSTEM (0313324018).
 
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