| Answer | Crossword Clue |
|---|---|
| reaction | the act of reacting (to respond to a stimulus) |
| reactions | REACTION, the act of reacting (to respond to a stimulus) |
| react | to respond to a stimulus |
| reacted | REACT, to respond to a stimulus |
| reacts | REACT, to respond to a stimulus |
| reacting | REACT, to respond to a stimulus |
| reactant | one that reacts (to respond to a stimulus) |
| reactor | one who reacts (to respond to a stimulus) |
| reactants | REACTANT, one that reacts (to respond to a stimulus) |
| reactors | REACTOR, one who reacts (to respond to a stimulus) |
| receptor | An organ or cell able to respond to light, heat, or other external stimulus and transmit a signal to a sensory nerve |
