Day and night, the muscles of your heart contract and relax to pump blood throughout your body. When blood returns to the heart, it follows a complicated pathway. If you were in the bloodstream ...

It also shows how the pacemaker cells restart her heart after the surgery. This short film is from the BBC series, Inside the Human Body. The 3D footage brings the topic to life and would enhance ...

Researchers studied samples of human brains and found high levels of microplastics, but it's unclear how they slip past the ...

Acclaimed heart surgeon Professor Sir Magdi Yacoub is spearheading a revolutionary new project in the UK that will soon allow patients to be given new heart valves that naturally grow inside their ...