blood pressure
The force exerted by circulating blood on the walls of blood vessels is called blood pressure . Blood pressure is highest in arteries and lowest in veins. When you have your blood pressure checked, it is the blood pressure in arteries that is measured. High blood pressure, or hypertension , is a serious health risk but can often be controlled with lifestyle changes or medication. You can learn more about hypertension by watching the animation at this link: http://www. healthcentral. com/high-blood-pressure/introduction-47-115. html .