Water makes up a large percentage of the body's cells. For a cell to remain in homeostasis, there must be a mechanism to control water changes in the cells. The movement of water from an area of high water concentration to an area of low water concentration is facilitated by which plant-cell organelle that supports and maintains the cell's shape and protects the cell from damage?
a. Cell membrane
b. Cell wall
c. Chloroplast
d. Vacuole
