What Is the Cardiorespiratory System?

By Staff WriterLast Updated Mar 24, 2020 5:29:11 PM ET

The cardiorespiratory system generally refers to the interaction of the heart, blood vessels, and lungs as they work to take in oxygen for cellular use and remove waste products from the body. Arteries carry fresh oxygen to the body, while veins carry depleted blood back to the lungs to replenish the body's oxygen supply.