Learn the three main causes of swollen veins: venous insufficiency, blood clots, and inflammation. Discover symptoms, ...

The cardiac skeleton encodes the 3D structure of the heart and is composed of a tough sheet of fibrous connective tissue that electrically isolates the atria from the ventricles, contains all four ...

Blood collection process First, let's learn about veins and arteries. Arteries are blood vessels that carry blood from the heart to the rest of the body, mostly oxygen-rich blood. There are two ...

Canadians will soon decide who will form the next government in Monday’s federal election — and there’s still time to become an informed voter before casting your ballot. Global News has ...