Blood pressure is defined as the force that the blood exerts on the veins and arteries while it circulates around the body. If this force is greater than it should be, it is often referred to as high blood pressure or hypertension. Blood pressure is controlled by a variety of organs and body systems, including [...]

Blood pressure is the force that the blood exerts on the veins and arteries while it circulates through the body. We express the measurement of blood pressure as a ratio, such as 120/80 mmHg. The first number is the pressure exerted when blood is pumped into the arteries as the heart muscle contracts (systolic pressure). [...]