Atelectasis Atelectasis Atelectasis is the collapse or closure of a lung resulting in reduced or absent gas exchange. It may affect part or all of a lung. It is usually unilateral. It is a condition where the alveoli are deflated down to little or no volume, as distinct from pulmonary consolidation, in which they are filled with liquid. It is often called a collapsed lung, although that term may also refer to pneumothorax. It is a very common finding in chest x-rays and other radiological studies, and may be caused by normal exhalation or by various medical conditions. Although frequently described
Body-to-body communication Culture can influence nonverbal communication in many ways. The same gestures in different countries can have distinct meaning. For example, the American A-OK sign can have an obscene meaning in many nations in Europe, having sexual implications. Facial expression is another mean of nonverbal communication that culture affects. Humans have the ability to express emotions through facial expressions. "Cultural display rules" are learned during childhood and plays a big part on how people from different cultures manage and modify their emotional expressions depending on the social situation that they are in. In an experiment done my Ekman and Friesen; results