Many retirees would love to retire somewhere warmer with a beautiful coast and a reasonable cost of living. Puerto Vallarta, Mexico, is one of the options many retirees may want to consider. There are several challenges to consider such as the difficulties with Medicare in foreign countries and the different income tax situations.
The air pressure inside a human body is roughly equivalent to the pressure of the atmosphere. Normal air pressure is about 13.7 pounds per square inch at sea level.
With a stethoscope over the brachial artery at the inside of the elbow, the rushing sounds of blood through the artery can be heard. The blood pressure, written as a fraction and measured in millimeters of mercury, is usually 100 to 120 over 60 to 80 in a resting, healthy person.