We think our bodies shut down for the night when we fall asleep. But sometimes theyâre still going â kicking, gasping, even making us wet the bed. These abnormal behaviors are called parasomnias, disorders involving involuntary physical activity that happens during sleep.
lacrimal apparatus a group of organs concerned with the production and drainage of tears; it is a protective device that helps keep the eye moist and free of dust and other
For other uses, see Tear (disambiguation). Tearing (/ËtiÉrÉªÅ/), lacrimation, or lachrymation, (from Latin lacrima, meaning tear) is the secretion of tears, which often serves to clean and lubricate the eyes in response to an irritation of the eyes.