How does water pass through diffusion?

Water passes through diffusion by moving from an area of higher concentration to an area of lower concentration across a selectively permeable membrane. This process occurs due to the random movement of water molecules, allowing them to spread out evenly in a solution. In biological systems, osmosis, a specific type of diffusion for water, plays a crucial role in maintaining cellular balance and homeostasis. This movement continues until equilibrium is reached, where the concentration of water is equal on both sides of the membrane.