Why does the system work in the body to work for a period of time, the system is similar to the program area. This is because the body has a biological clock, the clock of life or (biological clock) is located in the suprachiasmatic nucleus (SCN) of the brain. Hi boudha la Thomas acting administrative body, in accordance with the natural environment. Because living things and nature interact with each other all the time, nature does not stop, there are always changes that resulted from the earth revolve around the sun itself, and. The world is under the influence of light from the Sun. A day's cycle (circadian rhythm). Use the 24-hour period of time per rotation period of the Earth 1 cycle, divided into 2 ranges: range of darkness (night) with light (day) As a result, organisms must adapt to working conditions in accordance with the cycle of nature, it will have a shorter life expectancy.
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