There are many disadvantages of consuming more water. It leads to recurrent attacks of cold and cough. It also increases the chances of arthritic pain, tend to increase body weight and loss of appetite.
The body cells or tissues absorb more water and tend to swell as much as 6 times of its own size.
When a cell itself takes on too much water, because it's in a hypotonic solution for example, the cell can literally explode.
The cell wall provides structural support and helps maintain the shape of the plant cell. It acts as a barrier that regulates the movement of water and other molecules in and out of the cell, preventing it from taking in too much water and bursting.
The water potential of the outside solution would be lower than the water potential of the cell itself. Therefore, water would pass out of the cell by osmosis (as water moves from a region of higher water potential to lower water potential). An animal cell would shrivel and become crenated. In a plant cell, the cytoplasm would shrink and the cell membrane would come away from the cell wall. This is called plasmolysis and when complete, the cell is said to be flaccid.
If the concentration of molecules is higher inside the cell compared to outside, water would move into the cell to dilute the higher concentration of molecules. This may cause the cell to swell or burst. If the concentration of molecules is higher outside the cell, water would move out of the cell causing it to shrink or shrivel. The movement of water is driven by osmosis, which aims to equalize the concentration of molecules inside and outside the cell.
A disadvantage is that when a thing has a cell wall it is unable to move on it's own. For example a plant has a cell wall and it can't move on it's own.
The concentration of water molecules outside the cell is lower than the concentration of the water molecules inside the cell. As a result, water moves out of the cell by osmosis. When water moves out, cells shrink. Put another way, the concentration of solute (salt) is higher outside the cell than inside. More water will flow out of the cell than into the cell through the cell membrane.
The cell could swell up until it bursts. That's why your skin gets wrinkled if you stay in water too long -- your cells are taking in the water.
The large vacuole.
The large vacuole.
If the cell had only a slightly higher concentration of water, this would probably be considered more of a disadvantage because water is highly damaging to DNA. Having extra water could burst the cell depending on the concentration. In face, if you take sheep's blood, and dilute it with water and view under the microscope, you can see the cells lysing. Thus, having extra water is not an advantage to the cell.
Osmosis.
The cell wall provides structural support and helps maintain the shape of the plant cell. It acts as a barrier that regulates the movement of water and other molecules in and out of the cell, preventing it from taking in too much water and bursting.
The water potential of the outside solution would be lower than the water potential of the cell itself. Therefore, water would pass out of the cell by osmosis (as water moves from a region of higher water potential to lower water potential). An animal cell would shrivel and become crenated. In a plant cell, the cytoplasm would shrink and the cell membrane would come away from the cell wall. This is called plasmolysis and when complete, the cell is said to be flaccid.
Boiling ruptures the cell membrane of raisins, preventing osmosis from taking place as the cell membrane is necessary for the process. In a hypertonic solution, the raisins would not absorb water due to the damaged cell membrane. In a hypotonic solution, they would not release water as the cell membrane cannot regulate the movement of water.
Sadly, the cell will explode.
Osmosis is taking place.
If the concentration of molecules is higher inside the cell compared to outside, water would move into the cell to dilute the higher concentration of molecules. This may cause the cell to swell or burst. If the concentration of molecules is higher outside the cell, water would move out of the cell causing it to shrink or shrivel. The movement of water is driven by osmosis, which aims to equalize the concentration of molecules inside and outside the cell.
The cell would swell and burst because of the osmotic pressure causes water to move into the cell.