Respire

This page is the CodyCross answer for the clue below from Physics, Group 1893, Puzzle 5 (Maria Goeppert Mayer).

Question is: Respire

and the answer is: BREATHE

Word Meaning:

BREATHE — (intransitive) To draw air into (inhale), and expel air from (exhale), the lungs in order to extract oxygen and excrete waste gases.

Definitions from Wiktionary.