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UTWhen you place a small finger wound in water, the blood mixes slowly instead of clotting instantly.
Each pulse from your heart pushes blood out in tiny bursts — making your heartbeat visible in the water.
What you’re seeing isn’t magic, it’s blood pressure + pulse rhythm working in real time.
A simple moment that shows how powerful the human body really is. 🫀💧
#ecg #pulse #blood #humans #science
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