The cardiovascular system, including the heart, blood and blood vessels, acts as closed transport system for the body.

Your circulatory or cardiovascular system serves a vital function by delivering oxygen and nutrients to all the organs and tissues of your body. Learn more about how the circulatory system works ...

Your circulatory system is made up of three parts: the heart, blood vessels and the blood itself. Your heart keeps all the blood in your circulatory system flowing.

The way the lymphatic system functions is by removing fluids (other than blood) from body tissues and cleaning it and recycling it. Many of the lymph nodes reside in our underarms and where our ...

What are the main arteries of the body? Illustrations and lists breakdown this major part of your circulatory system.

The cardiovascular system, also known to some as the circulatory system, consists of the heart, blood vessels, and blood. Learn more about it here.

Learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain effective blood circulation throughout the body to sustain life.

The circulatory system includes the heart, blood vessels and blood, and is vital for fighting diseases and maintaining homeostasis (proper temperature and pH balance). The system's main function ...

Your body's circulatory system is a wondrous thing. It's made up of blood vessels that carry blood to and from your heart and also pumps blood to your lungs so you can breathe. It helps grow and ...

As a central part of the circulatory system, the heart is primarily responsible for pumping blood and distributing oxygen and nutrients throughout the body.

Gregory K. Snyder, Brandon A. Sheafor, Red Blood Cells: Centerpiece in the Evolution of the Vertebrate Circulatory System, American Zoologist, Vol. 39, No. 2 (Apr ...