Blood Pressure, Arterial Pressure, Venous Pressure

Blood pressure, arterial pressure, venous pressure

Blood pressure is the pressure of blood on the walls of blood vessels. It depends on the work of the heart and the condition of the walls of blood vessels.

Blood pressure is the pressure of blood on the walls of the arteries. It is maximum during cardiac systole and minimum during diastole. Normally, systolic blood pressure is 110-130 mm Hg, diastolic - 70-80 mm Hg.

Venous pressure is the pressure of blood on the walls of veins. It is significantly lower than arterial and is 10-15 mm Hg. This is due to the fact that veins have a larger diameter and are more distensible compared to arteries.

Arterial pressure is higher than venous pressure, this is necessary for the movement of blood through the vessels. If the pressure in all parts of the vascular system were the same, blood flow would stop.

Thus, the difference in arterial and venous pressure ensures the continuous movement of blood through the vessels, the delivery of oxygen and nutrients to organs and tissues. Violation of blood pressure leads to the development of serious diseases.