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S02E03 Blood & Circulation

Join Bill Nye the Science Guy for an insightful discussion on the vital role of blood and circulation. Blood is essential for life; without it, our skin would wither away, our organs would fail, and our brains wouldn't function. It nourishes every cell with oxygen and nutrients while removing waste, acting as a guardian against illness. Blood travels throughout the body, propelled by the heart, which serves as a powerful pump. With each heartbeat, blood circulates through arteries, capillaries, and veins, completing about 2,000 rounds daily. Like all muscles, the heart grows stronger with exercise, maintaining a healthy rhythm of 50 to 60 beats per minute for those who keep fit.