As the central part of the circulatory system, the heart is responsible for pumping blood, supplying oxygen and nutrients, and removing metabolic waste such as carbon dioxide from all the tissues in ...

Just like any other muscle, the structure of the heart can be changed through exercise. However, this adaptation process takes longer than it takes the muscle to revert to its original conditions.

Newly released images revealing the 'bicycle spoke' structure of a heart cell may hold key clues to reducing damage from a heart attack. Research by Dr Ashraf Kitmitto and colleagues, from The ...

Peter J. Knight is at the Astbury Centre for Structural Molecular Biology and the School of Molecular and Cellular Biology, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK. The ...

The human heart is a finely-tuned instrument that serves the whole body. It is a muscular organ around the size of a closed fist, and it sits in the chest, slightly to the left of center. The heart ...

A team led by scientists at Queen Mary University of London reports that certain risk factors for heart disease are linked to common changes in the structure and appearance of the heart. Risk factors ...

The structure of a key protein implicated in diseases affecting the heart muscle has been uncovered, scientists say. Researchers, including some from King's College London, say they now understand why ...