Your circulatory system works all day, every day, to pump oxygen throughout your body. There are cardiovascular conditions that can impact this system. Your circulatory system, also known as your ...

Heart health is about more than just the heart itself. It's a two-way street between the heart and the rest of the body. However, many U.S. adults aren't aware of the connection between organs.

Both arteries and veins are types of blood vessels in the cardiovascular system. An artery carries blood away from the heart, and a vein carries blood back to the heart. Blood vessels are essential ...

While cephalopods are the primary molluscan group with a closed circulatory system, some evidence suggests that certain ...