__ Rhythm, Another Name for the Body Clock

This page is the CodyCross answer for the clue below from London, Group 485, Puzzle 5 (Wembley Stadium).

Question is: __ Rhythm, Another Name for the Body Clock

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.

__ rhythm, another name for the body clock — CodyCross Answer | CodyCross Solutions