Membrane dynamics refers to the processes that govern the behavior and movement of biological membranes, such as the plasma membrane surrounding cells. These processes include the fluidity of the membrane, the movement of proteins and lipids within it, and the formation of membrane structures like vesicles. Membrane dynamics are crucial for various cellular functions, including communication, transport, and signaling. The fluid mosaic model describes the structure of membranes, highlighting their flexible nature and the arrangement of lipids and proteins. Changes in temperature, lipid composition, and external factors can influence membrane dynamics, affecting how cells interact with their environment and respond to stimuli. Understanding these dynamics is essential for studying cellular processes and developing medical therapies.