The circulatory system is an important part of the human body, responsible for transporting oxygen and nutrients to all the cells and organs. There are many different synonyms for the circulatory system, including cardiovascular system, vascular system, blood circulatory system, and cardiovascular-vascular system. In addition, the term "cardiovascular" is often used as an adjective to describe anything related to the circulatory system, such as cardiovascular disease or cardiovascular exercise. Other related terms include blood vessels, arteries, veins, capillaries, and the heart. Understanding the various synonyms and related terms for the circulatory system is important for anyone studying human anatomy and physiology or working in the healthcare field.