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Explainer: Anatomy of a heartbeat

By KASPERA
0 Min Read
an animation showing the electrical signal that travels through the various parts of the heart to cause rhythmic contractions

Your heart beats about 100,000 times per day. That’s around 3 billion times over an average lifetime. Each beat pumps blood to the lungs, where it picks up oxygen. From …read more

Source:: Science Explores

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