Alcohol is a poison. It may not seem like it but alcohol is a poison and can sometimes have lethal consequences. Your body can only process one unit of alcohol an hour. Drink a lot in a short space of time and the amount of alcohol in the blood can stop the body from working properly.
Definition of expression for English Language Learners. : 1  the act of making your thoughts, feelings, etc., known by speech, writing, or some other method : the act of expressing something. : 2  a word or phrase. : 3  the way someone's face looks that shows emotions and feelings.
Charles Darwin would later republish some of these photographs in his own work on the subject, which compared facial expressions in humans to those in animals. A facial expression is one or more motions or positions of the muscles beneath the skin of the face. According to one set of controversial theories, these movements convey the emotional state of an individual to observers. Facial expressions are a form of nonverbal communication.