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Updated: July 10, 2025
Sexual excitement in the woman causes certain congestion of the genital organs; and at the time of the orgasm there is a reflex movement which corresponds to erection, and which consists of a peristaltic movement of the tubes and uterus; to the uterus also is ascribed an act of suction by which the spermatozoa are drawn up into its interior.
The heart, with its complicated double systole and diastole, beats strongly and untiringly; with twenty-eight beats it has to drive the whole of the blood through arteries, veins and capillaries; the lungs pump like a steam-engine, without intermission; the intestines are always in peristaltic action; the glands are all constantly absorbing and secreting; even the brain has a double motion of its own, with every beat of the pulse and every breath we draw.
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