This Valentine’s Day, as we exchange stylised hearts in celebration of love, we might pause to remember that the power of the ...

Scientists are starting to understand more about the small heart muscle fibers that Da Vinci showed in his illustrations over ...

So it's a good job we've got the circulatory system to transport nutrients, water and oxygen to the entire body. Your circulatory system is made up of three parts: the heart, blood vessels and the ...

The right-hand side of the heart is responsible for pumping deoxygenated blood to the lungs. The left-hand side pumps oxygenated blood around the body. Each side of the heart consists of an atrium ...