Explore these fascinating fun facts about the heart for kids ... It’s like your heart is doing a happy dance! The human heart connects to a number of veins and arteries. These veins and arteries ...

Your heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will beat more than 2.5 billion times. Give a tennis ball a good ...

Blood flows through the left atrium into the left ventricle. The left ventricle pumps the oxygen-rich blood to all parts of the body. amazing heart facts.