Entropy, the heart and the living systems
Resumen
There is a certain parallelism between the physiologic phenomena of the heart analyzed from the point of view of view of thermodynamics and some aspects of cellular development and evolution. The pumping heart cycles from a biological “active” state during systole to a mechanical “resting” state during diastole. But from a thermodynamic point of view the heart is active during relaxation or diastole and passive during contraction or systole. This profile is similar to that of dividing blastomeres supposing that heart muscle cells have used their developmental trajectory to set up contraction instead of cytokynesis. The diastolic cell would be viewed as being in a relatively immature condition and the systolic one as relatively senescent.
Key words: Heart, entropy, termodynamics, diastole, systole, muscle, mechanic, electric, metabolic, energy.
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