Help Me Please! (Kidney Filtration)

[Kier]

I need help. I need to know everything about Kidney Filtration. Any useful facts or sites are appreciated.

Or you can do me task for me "Explain how the Kidney filters the blood".

I've been to bitesize, nothing useful. HELP PLEASE <3

[Mentor]

ever need info, best place to check is probly wikipeadia

http://en.wikipedia.org/wiki/Kidney