what is systemic circulation
Systemic circulation is the part of the cardiovascular system which carries oxygenated blood away from the heart to the body, and returns deoxygenated blood back to the heart.PubMed Health Glossary.(Source: Wikipedia). Related terms: Blood circulatory system.ystemic circulation is the part of the cardiovascular system which carries oxygenated blood away from the heart to the body, and returns deoxygenated blood back to the heart. PubMed Health Glossary. (Source: Wikipedia).