Testosterone Is One, So Is Estrogen
This page is the CodyCross answer for the clue below from Physics, Group 1897, Puzzle 5 (Harmonic Oscillator).
Question is: Testosterone Is One, So Is Estrogen
and the answer is: 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.