What is the difference between simple diffusion and active transport?

What is the difference between simple diffusion and active transport? simple diffusion Diffusion is the movement of molecules from an area of high concentration to low; osmosis is the movement of water from an area with less simpleslots Movement of waste materials · In animals, the removal of waste materials occurs via simple diffusion · In the liver, waste material, urea, is

simpleslots Simple diffusion and facilitated diffusion are similar in that both involve movement down the concentration gradient The difference is how the substance gets

simple diffusion Facilitated Diffusion Facilitated Diffusion is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject simple diffusion and facilitated diffusion, depending on the involvement of carrier proteins in the membrane bilayer in the transfer 1 Simple