it helps to transmits signals from the brain to end organs such as muscles.(somatic)
the autonomic nervous system regulates bodily functions, such as the heart rate, digestion, respiratory rate, pupillary response, urination, and sexual arousal.
Drink 6 to 10 ounces. Water boost our energy at the hottest period of the day. It keeps us not to be dehydrated and makes us to stand longer against the killing sun