Answer:
hope it helps...
Explanation:
Both the water in the ocean and the air in the atmosphere exert pressure because of their moving particles. ... This causes greater pressure. Denser fluids such as water exert more pressure than less dense fluids such as air. The particles of denser fluids are closer together, so there are more collisions in a given area.
It is strong enough to penetrate through flesh but not bone so we can see if there are fractures or breaks in our skeleton