This is the first article in a new series on the anatomy and physiology of ageing. The series explores normal age-related changes that occur in the anatomy and physiology of the major organ systems ...

This article, the first part of three, explores the normal anatomy and physiology of the cardiovascular system - arteries and veins - including the main arteries and veins and blood pressure recording ...

The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry deoxygenated blood ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. There's perhaps no element of the body that captures our imagination more than the heart. We link it ...

Heart rate is measured in beats per minute (bpm). During exercise the heart rate increases so that sufficient blood is taken to the working muscles to provide them with enough nutrients and oxygen. An ...