You can also chikdren on ways to manage Reduce calorie intake. According to the Heart health for children Heart Associationa heart-healthy diet from an cor age lowers cholesterol and if followed through adolescence and beyond, should reduce the risk of coronary artery disease in adulthood. One chamber is on the top and one chamber is on the bottom. The American Academy of Pediatrics recommends no juice for children under 1 year old. Before each beat, your heart fills with blood.

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How Your Heart Works For Kids