Respuesta :
A. Response is the system's reaction to the stimulus.
It doesn't have to be irritability - not every stimulus is unpleasant. And also, it's not adaptability, because you cannot always adapt to a stimulus, for example, to pain.
It doesn't have to be irritability - not every stimulus is unpleasant. And also, it's not adaptability, because you cannot always adapt to a stimulus, for example, to pain.