A Chemical Messenger; Cortisol, Insulin for Ex.
This page is the CodyCross answer for the clue below from Comics, Group 1074, Puzzle 1 (Literary Fiction).
Question
A Chemical Messenger; Cortisol, Insulin for Ex.
Answer
HORMONE
Word Meaning:
HORMONE — (physiology) Any substance produced by one tissue and conveyed by the bloodstream to another to effect physiological activity.
Definitions from Wiktionary.