Separation of substances in solution by means of their unequal diffusion through semipermeable membranes.The process of separating larger molecules from smaller molecules that occurs in kidney dialysis for example, where a machine takes a role of a kidney and filtrates blood.
A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..
This tutorial describes the sigmoid curve, annual plant growth, tree growth, human growth, and insect growth as the grow..
The kidneys are responsible for the regulation of water and inorganic ions. Read this tutorial to learn about the differ..
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..
This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..
Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..