The heart is the size of a fist and weighs 0.45kg - the equivalent of about half a bag ofsugar. In an adult of average fitness, it beats around 70 times a minute (at rest) and 100,000 times a day.

This short film explains how the heart and circulatory system work, taking a close look ... videoHow do muscles and bones work? A model skeleton, elastic bands and rubber gloves are used to ...

Patients with severe heart ... circulatory support (MCS) devices but deciding when to safely wean them off remains a ...

The heart is a muscular organ that pumps blood around your circulatory system. The circulatory system is the heart and all the blood vessels in the body which carry cells and substances to all its ...