Muscle in the Abdomen That Controls Breathing
This page is the CodyCross answer for the clue below from The 80s, Group 797, Puzzle 5 (The Golden Girls).
Question is: Muscle in the Abdomen That Controls Breathing
and the answer is: DIAPHRAGM
Word Meaning:
DIAPHRAGM — (anatomy) In mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs.
Definitions from Wiktionary.