Answer:
The suprachiasmatic nuclei enable the nervous system to respond to daily light/dark alterations through their stimulation of melatonin.
Explanation:
Melatonin is a hormone produced naturally by the body. Its function is to regulate the body's circadian cycle. This hormone is stimulated and begins to act by changing between a light environment and a dark environment. This stimulation interacts with the suprachiasmatic nuclei making the nervous system understand this change and luminosity of the environment and respond to the action of melatonin.
According to google. It is a substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.
<span>Organismele multicelulare sunt organisme care constau în mai multe celule, spre deosebire de organismele unicelulare.</span>
The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
