An animal cell that is surrounded by fresh water will burst because the osmosis pressure causes

This is caused by the diffusion of water through a semi permeable membrane. The pressure causes water to move into the cell, leading to bursting of the animal cell. The cell membrane is the part of the cell which regulates what comes into and out of the cell, providing protection also. Hope this helps. Let me know if you need additional help!

The 3 steps are vasoconstriction, temporary blockage of a platelet plug, formation of a fibrin clot better known as coagulation.