Bill Nye The Science Guy on Blood and Circulation
Did you know that high-speed aviators need to wear a special g-suit in order to keep blood flowing to their brains when experiencing intense acceleration forces? Bill Nye takes a flight in such a situation. After his trip, two facts about the circulatory system are flashed on the screen. That is all there is to this short clip, but it's enough to get the blood pumping in your life science class!