Osmosis
Diffusion of water across a selectively permeable membrane
Aquaporins
Special transport proteins
Isotonic solution
No movement
Hypertonic solution
Cell will lose water to its surroundings
Hypotonic solution
The cell will gain water from its surroundings
Facilitated diffusion
Ions and hydrophilic substances diffuse across the cell membrane with the help of transport proteins
Sodium-potassium pump
Common form of active trandport
Phagocytosis
Cellular eating
Pinocytosis
Cellular drinking