论文部分内容阅读
肺部连有薄壁的气囊,可暂时储存空气,使在吸气和呼气时,都有新鲜空气通过肺以供气体交换。——双重呼吸双重呼吸$上海市第三女子中学初三年级@圣音$上海市第三女子中学初三年级@卓文$上海市第三女子中学初三年级@陈佳亦
A thin-walled balloon is attached to the lungs to temporarily store the air so that fresh air passes through the lungs for gas exchange during inspiration and expiration. - Double Breathing Double Respiratory $ Shanghai Third Girls High School Grade Three @ Shengyin $ Shanghai Third Girls ’High School Grade Three @ Zhuo Wen $ Shanghai Third Girls’ High School Grade Three @ Chen Jia Yi