续10(上)11.人为何早上有“眼屎”?正确答案:这些硬粒的“眼屎”只不过是已变干的眼泪和分泌物。每一次的眨眼,眼泪都会被均匀地分布在眼睛上。这样就能保持眼睛的湿润。随后,眼泪经过眼角的鼻泪管流入鼻中。夜间睡眠时,我们眨眼较少、较慢,并且还闭目。这样眼液在眼角上千结为小硬粒,这就是我们早上起床后所擦摔的“眼屎”。 Continued 10 (on) 11. Why do people have “mucus” in the morning? Correct answer: These durum’s “mucilaginous” are only dried tears and secretions. Each blink, tears will be evenly distributed in the eyes. This will keep the eyes moist. Subsequently, tears flow through the nasolacrimal duct of the eye into the nose. When we sleep at night, we blink less, slower, and we close our eyes. This eye drops thousands of knot in the corner of a small hard particles, which is wiped out after we get up in the morning “eye ”.