引言在医学教科书里，肺纤维化被称为"不可逆转的呼吸死刑"。这种疾病像一场无声的肺部"疤痕风暴"，每年吞噬数万生命，患者确诊后平均仅存活3-4年，比胰腺癌更为凶险。研究人员长期困于两大谜题：为何人类肺部特有的终末细支气管（Terminal ...

Heart Rate Increase in rate of contraction of cardiac muscle - cardiac output increases Decrease in rate of contraction of cardiac muscle - cardiac output decreases Breathing Rate Smooth muscle of ...