如图为人体�吸和血液循环过程模式图请据图回答下列问题1当外界氧气进入肺泡时人的膈肌处于 状态.2若在人的上肢静脉点滴药液则药物 Template




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tomski如图为人体�吸和血液循环过程模式图请据图回答下列问题1当外界氧气进入肺泡时人的膈肌处于 状态.2若在人的上肢静脉点滴药液则药物 coloring