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Cell Transport

TermDefinition
selectively permeable some things enter or leave while keeping other things in the cell
passive transport movement of substances through the cell membrane WITHOUT the input of energy
diffiusion movement of particles from areas of high concentration to areas of low concentration
equilibrium reached when molecules are equal on both sides of the membrane
osmosis diffusion of water
active transport movement of substances through the cell membrane WITH the input of energy
endocytosis when things ENTER cell, particles surrounded by cell membrane which folds in on itself enclosing item in a vesicle
exocytosis when things EXIT cell, vesicle merges with cell membrane and pushes particles out
homeostasis A state of balance among all the systems needed for the body to survive and function correctly.
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