Your kidneys do this automatically by passing your blood through millions of filtering units called nephrons, which have two main parts: the glomerulus and the tubule. The glomerulus is made up of ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

Subscribe! Want more math video lessons? Visit my website to view all of my math videos organized by course, chapter and section. The purpose of posting my free video tutorials is to not only help ...