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.
A blood pressure level of 140/90 mmHg or higher is considered high. About two-thirds. of people over age 65 have high blood pressure. If your blood pressure is between. 120/80 mmHg and 139/89 mmHg, then you have prehypertension.