Flashcard 12 - Basic Care and Comfort Flashcard Set for the NCLEX-RN Exam

osmosis

Osmosis and diffusion are principles of physics. However, osmosis is the movement of water from a higher concentrated area across a membrane to a lower one. Diffusion is the movement of molecules across a semipermeable membrane from an area of higher concentration to a lower one. While they are similar, they describe different processes.