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 ...

Medically reviewed by Michael Menna, DO Key Takeaways The circulatory system carries oxygen and nutrients throughout the body and removes waste.The lymphatic system helps fight disease by creating and ...

Surgeons at Duke University have resuscitated a 'dead' heart on the operating table after it stopped beating for more than five minutes. The organ was later transplanted into the chest of a ...