Heart *
According to this new idea, the heart expands rhythmically in beats, but it does not contract by itself. Instead, while the heart is not expanding, everything adjacent to the heart continues to expand at an evenly accelerating pace. The heart is thus affected by an external pressure which makes the still expanding blood inside the heart push its way out of the heart.
Blood flows in the veins due to pressure fluctuations. The blood flowing back to the heart does not have enough space to expand normally as it rubs against the valves. After this friction blood expands faster than usual, which results in a vortex closing the valve. And now the heart starts to expand again in a pulse.
Then how can it be explained that you can see it with your own eyes how a heart contracts during heart surgery?
This is in fact a three-dimensional illusion, which is based on the pulsating expansion of the heart and the evenly accelerating expansion of everything surrounding the heart.
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