The lower chambers of the heart are called atria
- The two lower chambers of the heart are called atria
- The lower chambers of the heart are called the septa ventricles atria pulmonary trunk
- True or false the two lower chambers of the heart are called atria
- The upper chambers of the heart are called atria and the lower chambers of the heart are called
- The lower chamber of the heart
- The lower chambers of the heart
- The lower chamber of the heart is called