Coronary arteries are a vital part of the human heart, providing it with oxygen-rich blood so that it can work. By comparing the hearts of mammals, birds, reptiles, fish and frogs, a ...

The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry deoxygenated blood ...

Senior male patient with ECG sensor on his chest in clinic. Elderly male with face mask getting his cardiac stress test in cardiology clinic. COVID-19 induces a range of negative cardiac effects, such ...

You already know that keeping your heart in tip-top shape is a key part of maintaining your cardiovascular health—but your cardiovascular system goes beyond that beating organ in your chest. After all ...