作业帮英语翻译certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs' airway to contract.This partially seals off the lungs.An asthma attack occurs when the messenger molecules are activa
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英语翻译certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs' airway to contract.This partially seals off the lungs.An asthma attack occurs when the messenger molecules are activa
英语翻译
certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs' airway to contract.This partially seals off the lungs.An asthma attack occurs when the messenger molecules are activated unnecessarily,in response to harmless things like pollen.
英语翻译certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs' airway to contract.This partially seals off the lungs.An asthma attack occurs when the messenger molecules are activa
一些空气中有毒的信使分子能通过在肺气管循环时感染肌细胞,造成肺部的损害,这就使部分肺部造成堵塞,当这些有毒信使分子被不必要的激活时,即使接触到一些无害的信使分子例如花粉,也能引发哮喘发作
一个哈佛大学的人类学家认为用火去加工食物可以追溯到大概两百万年前并且（用火加工食物）可以解释人类的这种拥有大的大脑和小的牙齿的特征。
非常经典的一道题，大意是：一些特定的信息分子用关闭肺的通气功能来对抗有害气体，哮喘病正是由这些信息分子对无害的东西（类似花粉）有不必要的反应造成的~建议你上chasedream的论坛多看看。。。