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What are some interesting facts about the circulatory system?

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The system's main function is to transport blood, nutrients, gases and hormones to and from the cells throughout the body. Here are 11 fun, interesting and perhaps surprising facts about the circulatory system that you may not know. read more

The cardiovascular system is compromised of the heart, blood, and blood vessels. The three types of blood vessels are arteries, veins and capillaries. The cardiovascular system, also known as the circulatory system, transports blood and nutrients throughout our body. read more

Amazing Facts about the Circulatory System. The heart beats around 3 billion times in the averages person's life. About 8 million blood cells die in the human body every second, and the same number are born each second. Within a tiny droplet of blood, there are some 5 million red blood cells. read more

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