Describe the different processes involved in the movement of these substances into and out of the cell: oxygen, carbon dioxide, glucose, potassium, sodium, water, and enzymes.
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane
