noun, plural: filtrations. (1) The movement of water and solutes across the cell membrane due to hydrostatic pressure from the cardiovascular system. (2) The process of separating suspended particles from the fluid through a porous material in which the fluid can pass while the suspended particles are retained.
I think a good typing speed if you need to type a lot would be ideally 80 wpm and minimum 60 wpm. Anything lower than 60 and you'd struggle typing longer texts. I suggest you try TypeRacer - the global typing competition or simply practice touch typing on one of the free typing softwares.
Typing Test. In this page you will take a free Typing Test to determine your speed, if you type 55 wpm (words per minute) or faster, then you're above average. If you type less than 55 wpm then you're not fast (yet). After you take the test and know your score go back to this page to Learn to Type faster with some very useful tips.