Organ or Cell That Responds to External Stimulus

This page is the CodyCross answer for the clue below from Working From Home, Group 1223, Puzzle 1 (Scented Candle).

Question is: Organ or Cell That Responds to External Stimulus

and the answer is: RECEPTOR

Word Meaning:

RECEPTOR — (biochemistry, medicine) A protein on a cell wall that binds with specific molecules so that they can be absorbed into the cell in order to control certain functions.

Definitions from Wiktionary.

Organ Or Cell That Responds To External Stimulus - Working From Home CodyCross Answers | CodyCross Solutions