💓 The Heart and Lungs: Partners in Life 💓 Did you know the heart and lungs work together to keep every cell in your body alive? The lungs: Oxygenate the blood during breathing, providing the oxygen needed for energy. The heart: Circulates this oxygen-rich blood to the body while carrying carbon dioxide back to the lungs for exhalation. This rhythmic partnership between the heart and lungs ensures constant oxygen delivery and waste removal. Watch our animation to see these systems in action! ht