Passive Transport.
DIFFUSION DIFFUSION
Diffusion
diffusion
Low to High would be "Active transport" if I remember Biology correctly. It requires Energy.
diffusion
Active transport usually involves the movement of particles from high to low concentration.
The movement of particles from an area of low concentration to high concentration is an active process.
Diffusion.
Diffusion is the movement of liquid or gas particles from a high to a low concentration. This process occurs in an attempt to reach equilibrium, where the concentration of particles is the same throughout the system.
Particles will move from an area of low pressure to high pressure. This movement occurs to equalize the pressure between the two areas. It is a natural process that helps to balance the pressure gradient.
Osmosis is the random movement of particles across (through) a partially permeable membrane along a concentration gradient from an area of high concentration to an area of low concentration. Diffusion is the random movement of particles in a solution from an area of high concentration to low concentration. Eventually the particles will be uniformly and randomly distributed.