Labels:book | bulletin board | fence | mouth | person | windowpane OCR: W HY Do You BLINK? THE be kept SURFACE moist OF and YOUR clean EYE by tears must wet. your Any eye, excess ensuring tears that collect it is in always the in the lacrimal gland. lacrimal sac ready to drain long Blinking spreads the tears across duct into your nasal cavity Lacrimal gland Produces tears that flow through tiny ducts onto the eye Lacrimal sac Collects excess tears Eyelids Blink to spread the tears across the eye Duct Drains tears into nasal cavity How tears flow produced along
