The diagram illustrates several structures in human skin. Which row gives the names of structures X, Y and Z?
- AX: blood vessel, Y: hair follicle, Z: sweat gland
- BX: hair follicle, Y: blood vessel, Z: sweat gland
- CX: sweat gland, Y: hair follicle, Z: blood vessel
- DX: sweat gland, Y: blood vessel, Z: hair follicle