The Heart's Two Lower Chambers: Right and Left __
This page is the CodyCross answer for the clue below from Concert Hall, Group 599, Puzzle 1 (Vienna Boys Choir).
Question is: The Heart's Two Lower Chambers: Right and Left __
and the answer is: VENTRICLE
Word Meaning:
VENTRICLE — (anatomy, zootomy) Any small cavity within a body; a hollow part or organ, especially:
Definitions from Wiktionary.