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.
1 Average native test-takers of age 4 already know 5,000 words. 2  Adult native test-takers learn almost 1 new word a day until middle age. 3  Adult test-taker vocabulary growth basically stops at middle age.  The most common vocabulary size for foreign test-takers is 4,500 words.