The table gives the mean blood flow rate in several blood vessels. Which row names the blood vessels correctly?
- AW = main artery, X = small artery, Y = small vein, Z = capillary
- BW = small vein, X = small artery, Y = main artery, Z = capillary
- CW = capillary, X = small vein, Y = small artery, Z = main artery
- DW = capillary, X = small artery, Y = small vein, Z = main artery