| Answer | Crossword Clue |
|---|---|
| irritation | The stimulation of an organism, cell, or organ to produce an active response |
| irritations | The stimulation of an organism, cell, or organ to produce an active response |
| irritate | Stimulate (an organism, cell, or organ) to produce an active response |
| irritates | Stimulate (an organism, cell, or organ) to produce an active response |
| kinesis | An undirected movement of a cell, organism, or part in response to an external stimulus |
