ultrafacts: When we feel a strong emotion, such as the urge to cry, it is translated as stress to th
ultrafacts: When we feel a strong emotion, such as the urge to cry, it is translated as stress to the ‘autonomic nervous system.’ The stress triggers the autonomic nervous system which acts to increase the flow of oxygen and sugar to the muscles to give us the much needed boost in dire situations. Consequently, in order to get more oxygen to the body, one biological response is to expand the glottis in your throat. (Fact Source) Follow Ultrafacts for more facts -- source link