Transport Types

Diffusion

net movement of particles from areas of high to areas of low concentration

Net Movement

particles moving in - particles moving out

Diffusion in Living Organisms

oxygen into red blood cells, carbon dioxide to the lungs, urea from amino acids in the liver

Dilute Solution (conc of solvent, cons of solute)

high conc of solvent, low conc of solute

Concentrated Solution (conc of solvent, cons of solute)

low conc of solvent, high conc of solute

Osmosis

movement of water from a high to low concentration across a partially permeable membrane

Larger SA for Osmosis

higher rate of osmosis, larger area for water molecules to diffuse from

Higher Temperature for Osmosis

higher rate of osmosis, particles are moving faster, more energy