What are the three levels of blood when it is deprecated?
Arterial blood
* Bright red
* Fully saturated with oxygen
* Carries oxygen to the body's tissues
Venous blood
* Dark red
* Partially saturated with oxygen
* Carries carbon dioxide from the body's tissues to the lungs
Capillary blood
* Reddish-orange
* Partially saturated with oxygen
* Exchanges oxygen and carbon dioxide with the body's tissues