Helping the library has never been easier! Use the following link to shop and Amazon will automatically donate 0.5% of the price of your eligible AmazonSmile purchases to the Friends of Crawford County Library! Just click and shop as usual...Bookmark it! http://smile.amazon.com/ch/38-3413436.
Circulation. (Science: physiology) movement in a regular or circuitous course, as the movement of the blood through the heart and blood vessels. Origin: L. Circulatio. Please contribute to this project, if you have more information about this term feel free to edit this page.
Circulation describes the process of blood moving from the heart (the pump), out to the brain, major organs, then limbs all using the arterial blood vessels, and through the venous blood system (uses veins) back to the lungs and heart.