The diagram illustrates the route taken by water as it moves from the soil into a plant. soil $\rightarrow$ X $\rightarrow$ Y $\rightarrow$ Z $\rightarrow$ mesophyll cells Which cells do X, Y and Z stand for?
- AX: root hair cells; Y: root cortex cells; Z: xylem
- BX: root hair cells; Y: xylem; Z: root cortex cells
- CX: xylem; Y: root cortex cells; Z: root hair cells
- DX: xylem; Y: root hair cells; Z: root cortex cells