2 worried or slightly frightened:
3 relating to or controlled by the nerves in the body
I get nervous when the teacher calls on me.
Violence was anti-social behaviour triggered by phylogenetically ancient areas of the brain and nervous system.
The market was nervous, and panic broke out the next day.
The more he studied, the more reclusive he became, an invalid plagued with mysterious nervous disorders.
The capacity of the central nervous system to recover function is technically called neuroplasticity.
By reflex action- a mechanism of the nervous system- the threatened hand is instantly withdrawn and the threatened eye closed.
Most people are happy with the idea of homologies at low levels in the nervous system.
They themselves have to develop and, clearly, they represent the workings of an already functional nervous system and body.
