Each Person's Inner "biological Clock": __ Rhythm

This page is the CodyCross answer for the clue below from The 90s, Group 1139, Puzzle 2 (Power Rangers).

Question is: Each Person's Inner "biological Clock": __ Rhythm

and the answer is: CIRCADIAN

Word Meaning:

CIRCADIAN — (biology) Of, relating to, or showing rhythmic behaviour with a period of approximately 24 hours; especially of a biological process.

Definitions from Wiktionary.

Each person's inner "biological clock": __ rhythm — CodyCross Answer | CodyCross Solutions