Diffusion is the movement of molecules from low to high concentration until equilibrium is reached. Osmosis is the diffusion of water through a selectively permeable membrane and is an important process. Solutions can be isotonic when solute concentrations are equal, hypotonic when one solution has a lower solute concentration, or hypertonic when one solution has a higher solute concentration compared to another.

1. Diffusion Diffusion is the movement of molecules from a low concentration to a high concentration. When the solubility is the same everywhere it has reached equilibrium.

2. Osmosis is the diffusion of water through a selectively permeable membrane. Osmosis is a very important process. Osmosis

3. Isotonic is when the solute of two concentrations is the same it is said to be isotonic. Isotonic

4. Hypotonic is when you compare two solutions , the solution with the least concentration of solutes is hypotonic. Hypotonic

5. Hypertonic is when comparing two solutions, the solution with the greater concentration of solutes is hypertonic. Hypertonic

6. Facilitated diffusion is the movement of molecules through the cell membrane through protein channels. Facilitated Diffusion