Its function is to aid in the regulation of the sympathetic branch of the autonomic nervous system. At times when a person is highly stimulated, as by fear, anger, or some challenging situation, extra amounts of epinephrine are released into the bloodstream, preparing the body for energetic action.
Siem Reap Weather - Cambodia. Siem Reap in Cambodia is characterized by a savanna climate including dry winters during the year. The temperature usually ranges between 21Â°C and 35Â°C over the course of a year. During the warm season which is during April and May the temperature can potentially reach above 37Â°C. April is the hottest month of the year while 19th of April is typically regarded as the hottest day of any year in Siem Reap.
1 Cambodian New Year (Chaul Chnam Thmey) is celebrated on April 13 or April 14. 2  There are three days for the Khmer New Year: the first day is called Moha Songkran, the second is called Virak Wanabat and the final day is called Virak Loeurng Sak.