1 | Caffeine can stimulate the nervous system of a person. | |
2 | The brain is the controller of the human nervous system. | |
3 | Neurons are the basic functional units of the nervous system. | |
4 | This child is very mischievous and always tries to stimulate our nerves. | |
5 | The nervous system refers to the collection of all neurons and nerves within the human body. |