The main supply of blood to the brain is carried by the carotid arteries. The carotid arteries branch off from the aorta (the largest artery in the body) a short distance from the heart, and extend ...

To supply oxygenated blood to the back of the heart, the posterior descending artery branches off from one of those main arteries. For an estimated 80% of humans, that artery comes from the right ...

The left coronary artery continues at the anterior side of the heart between the right and left ventricle. Several diagonal branches cross the left ventricular anterior wall (Figure 2).