The impulse is then passed to another node within the heart – the atrioventricular node (AVN). This node is in the lower part of the right atrium.

The volume of blood pumped through each ventricle per minute can be calculated as cardiac output. Cardiac output can be calculated using the following equation: Stroke volume close stroke ...

This perspective article explores the relationship between circadian rhythms and fatigue, leading to the proposal of ...

Yet one of the best ways of extending life is available to almost all and it’s cheap: cycle commuting ... lower risk of cardiovascular disease, lower risk of cancer mortality and better mental ...