get rid of large particles
actually diffusion allows materials to move in and out of the cell
Diffusion allows materials to move from an area of high concentration to an area of low concentration until equilibrium is reached. This process occurs passively, driven by the random movement of particles.
diffusion
Materials move passively by diffusion from an area of higher concentration to an area of lower concentration, across the cell membrane. This process allows the substances to reach equilibrium within the cell.
The capillaries are the site of diffusion of wastes, oxygen, and nutrients. This allows these materials to enter and leave body tissues.
diffusion
diffusion of materials over long distance is fast
The plasma member is a selectively permeable membrane which allows the entry and exit of substances in and out of the cell through the process of diffusion.
diffusion and osmosis are types of ways to get materials into or out of a cell
Diffusion
Simple squamous epithelial tissue allows osmosis and diffusion to happen due to its thin and permeable nature. It allows for the movement of molecules across the tissue through passive processes like osmosis and diffusion.
Phospholipids are the organic molecules in cell membranes that permit the diffusion of lipid-soluble materials. They have a hydrophobic tail that repels water and a hydrophilic head that interacts with water, creating a bilayer structure that allows for the passage of lipid-soluble molecules.