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 ...

Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

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 ...

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 ...

For the first time researchers are beginning to understand exactly how various forms of exercise impact the heart. Scientists have found that 90 days of vigorous athletic training produces significant ...

Well, this is kind of a trick question. Your heart is actually a muscular organ. An organ is a group of tissues that work together to perform a specific function. In the case of your heart, this ...

Researchers have solved the structure of a protein that is integral to processes responsible for maintaining a healthy heart and nervous system. The protein -- cystathionine beta-synthase, known as ...