HEART'S UPPER CHAMBERS Crossword Clue
HEART'S UPPER CHAMBERS Crossword Clue
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Crossword Puzzle Infos
The term 'HEART'S UPPER CHAMBERS' refers to the two atria of the heart. The atria are the two upper chambers of the heart, which receive blood from the veins and pump it into the ventricles. The atria are separated from the ventricles by valves that prevent the backflow of blood. The atria are responsible for maintaining the flow of blood throughout the body.