Restless Pump, The

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Restless Pump, The

  • 1992 ----- color ----- 24 min ----- vhs
  • Looks at how the heart responds to demands from the tissues in a variety of physiological situations. During aerobic exercise, changes in the blood flow can be achieved not only by an increase in heart rate, but by a greater output from the heart at each beat. But dramatic changes in blood flow can occur without physical exercise and as an example. researchers simulate the G-induced effects of high-speed flight on the heart and circulatory system. Emotional stress can mimic the effects of physical exercise, increasing both heart rate and blood pressure.
  • Topics: (Aero/Astronautics, Biology, Physiology)