如图是血液循环和气体交换示意图请据图回答1人体内的血液在心脏和全部 组成的管道中进行的循环流动叫做血液循环.2血液由�射出流经� Template




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tomski如图是血液循环和气体交换示意图请据图回答1人体内的血液在心脏和全部 组成的管道中进行的循环流动叫做血液循环.2血液由�射出流经� coloring