However the longest escalator on any metro system, which is in fact made up of two escalators one above the other, is situated at the Wheaton Street Station on the Washington D.C Subway in the U.S.A, The two escalators are both seventy meters long, have a vertical rise of thirty meters and take three minutes to ride.
If the blood pressure is too low 80/40 the pressure is usually considered too low to exercise. Exercise dilates the arteries and after exercise the pressure will be lower than entry. If lower than 80/40 most people will feel like they might pass out.Blood pressure is measured during exercise.f the blood pressure is too low 80/40 the pressure is usually considered too low to exercise. Exercise dilates the arteries and after exercise the pressure will be lower than entry. If lower than 80/40 most people will feel like they might pass out. Blood pressure is measured during exercise.
If your blood pressure is 120 over 80 (120/80 mmHg), it means a systolic pressure of 120mmHg and a diastolic pressure of 80mmHg. Our levels of blood pressure can fluctuate by as much as 30 or 40 mmHg during the day. It will be at its lowest point when we are asleep or resting.