肾小球的滤过作用(video) substances are reabsorbed back into the blood ofthe peritubular capillaries. large proteins and Click the peritubular capillaries to see the third cells stay behind process. Filtration everything else is Reabsorption filtered into nephron 滤过三要素： 屏障、动力、阻 滤过三要素: 屏障、动力、阻力 肾小球的滤过作用 (video) – large proteins and cells stay behind – everything else is filtered into nephron