32. What part of the skeletal system protects the brain?

11. Which organ covers the entire body and protects it?

What part of the body helps you move?

Fill in the blank:

In a                   ___ environment, both animal and plant cells ___                             ___ as the water

moves                     the cell through the process of                       , Animal cells would die. In plant

cells this process is called plasmolysis, or the plant cells are                            ___ (shrink) - this is when

the plasma membrane pulls away from the cell wall, as excess water goes out of the cell. The cell wall protects

the plan cell from dying right away and they can go back to normal when the concentration of solutes is lowered on 

the                         ___ of the cell. When this happens, the water will move from a ___    solution 

towards a ___                             solution through the process of ___                ___.