chambers of the heart crossword clue

 The answer to the crossword clue "chambers of the heart" is VENTRICLES. It is a 9-letter word.

The heart is divided into four chambers: two atria and two ventricles. The atria are the upper chambers, and the ventricles are the lower chambers. The atria receive blood from the body, and the ventricles pump blood to the body.

The clue "chambers of the heart" is a reference to the fact that the heart is a muscular organ that pumps blood throughout the body. The four chambers of the heart work together to ensure that blood is circulated efficiently.

I hope this helps!