The left-hand side pumps oxygenated blood around the body ... It opens due to a build-up of pressure in the right atrium, and prevents back flow of blood from the right ventricle to the right ...

Blood pressure refers to the force that blood puts on the walls of the blood vessels as the heart pumps blood. Healthcare professionals measure blood pressure in millimeters of mercury (mm Hg).

The left-hand side pumps oxygenated blood around the body ... right atrium and right ventricle and opens due to a build-up of pressure in the right atrium. The bicuspid valve is located between ...