Calcium is essential for healthy heart muscles and regulation of the heartbeat.
钙对心脏肌肉的健康至关重要，它调节心跳着的频率。
2
G protein-coupled receptors play a critical role in heart disease, blood pressure regulation, inflammation and psychological disorders.
蛋白偶联受体在心脏病、血压调节、炎症和心理疾病中扮演关键角色。
3
Magnesium is necessary for muscle contraction, heart rate regulation, and muscle growth. Strenuous exercise can rapidly deplete the body's stores of magnesium; supplements are often helpful.