Answer
The nervous system monitors or responds to changes in both the internal and external environment. In external environment, the nervous system reacts through sensory nerves from eyes and other organs and reacts through body movements.
In internal environment, the nervous system reacts with the help of endocrine system that involves the hypothalamus and medulla oblongata.
Work Step by Step
The nervous system monitors or responds to changes in both the internal and external environment. In external environment, the nervous system reacts through sensory nerves from eyes and other organs and reacts through body movements.
In internal environment, the nervous system reacts with the help of endocrine system that involves the hypothalamus and medulla oblongata.
