Anatomy

The valve at the origin of the pulmonary artery, which controls the flow of blood out of the right ventricle and prevents backflow.

The blood vessel that carries newly oxygenated blood from the lungs back to the left atrium of the heart

The ‘beat’ felt in an artery, for example in the wrist, groin, neck, or other site and measured in beats per minute. It shows the rate at which the heart is beating, or contracting.