Hence, every pair of bus stops will have 4 same digit and a 1 or 9 as the last digit to differentiate the direction of the service. Some bus stop numbers end with 'A' or 'Z', which is equivalent to '1' and '9' respectively.
Definition. Low blood pressure (hypotension) would seem to be something to strive for. However, for many people, low blood pressure can cause symptoms of dizziness and fainting.In severe cases, low blood pressure can be life-threatening.efinition. Low blood pressure (hypotension) would seem to be something to strive for. However, for many people, low blood pressure can cause symptoms of dizziness and fainting. In severe cases, low blood pressure can be life-threatening.
Low blood pressure is usually not dangerous for healthy people. A blood pressure reading states the systolic pressure first, followed by the diastolic pressure. Normal blood pressure, according to the American Heart Association, is pressure lower than 120/80. Low blood pressure occurs when the systolic pressure is below 90, or when the diastolic pressure is below 60.