what is hypertension

Before understanding what high blood pressure, we learned once the blood pressure. Blood pressure is the pressure caused when the blood circulates in the blood vessels in the body. The process is, as a means of pumping the heart pumps blood to flow. Blood vessels as a pipe which has an elastic wall and a strong resistance. From the process of pumping blood by the heart which is passed to the blood vessels there are two medical measurements of heart rate and blood pressure.
Why there should be blood pressure, yes because at certain levels to blood pressure serves to drain blood to various organs. Blood itself serves to transport food saris and oxygen. Why is the pressure at a certain level, because each vascular pressure was varied. Pressures are highest and the largest artery in the smallest pressure inside blood vessels. And pressure conditions also vary, depending on the condition of the body or the activities, such as sporting events or emotions are going to increase blood pressure, and decreased when he sleeps.

High blood pressure or hypertension is a condition in which blood pressure is above normal, in which normal values are 140/90 mm Hg.