The only effective methods to prevent oxygen toxicity are to limit the pO2, the time of exposure, and to give air breaks during oxygen breathing
i think the answer is because the cell membrane acts as a protecter for cells. It also moves liquds and since it does move liquids it wouldn't desolve from it.
If you and a child are on a skates and you give each other a push if the mass of the child is half your mass who has the greater acceleration, then you have the greater acceleration.