The root hair cells has a special structure to help it absorb water from the soil efficiently.
1. Has a long thin extension
- which provides a large surface area for absorption of water.
2. Large vacuole
- The root hair cell has a large vacuole to maximize the amount of water capacity of the cell; thus, the cell is able to absorb and store more water.
3. Cell sap
- The cell sap of the root hair cell has a lower water potential than the water in the soil. Thus, the water from the soil moves into the cell via osmosis. 
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