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.
During this time, the temperature is cooler but it is still hot and tropical.30-32oC is quite common; but its less humid so more confortable; especialy in the evenings. Good historical climate and weather statistics can be found at Phnom Penh Weather along with an up-to-the-moment report of weather at the airport.