Seeing the inner workings of a hand, or the nervous system surrounding the spleen, doesn’t seem appealing to most people. However, “Gray’s Anatomy,” the corpus of medical students and artists for over ...

Your circulatory system contains three blood vessel types: arteries, veins, and capillaries. Arteries carry blood from the heart, unlike veins, which carry blood to the heart. According to the ...

Veins are a type of blood vessel that return deoxygenated blood from your organs back to your heart. These are different from your arteries, which deliver oxygenated blood from your heart to the rest ...