The circulatory system has two divisions, a systemic circulation or circuit, and a pulmonary circulation or circuit. Some sources use the terms cardiovascular system and vascular system interchangeably with circulatory system.
The circulatory system is the network of tissues, blood vessels, lymph vessels, and supporting components that transports nutrients, respiratory gases, and metabolic products throughout a living organism.
The circulatory or cardiovascular system is composed of the heart, blood vessels and the blood. It delivers essential substances to the cells of the body.:max_bytes(150000):strip_icc()/GettyImages-155301210-56f1cdf53df78ce5f83c759a.jpg)
The cardiovascular system, also known as the circulatory system, includes the heart and blood vessels. It plays an important role in transporting blood to organs and tissues throughout the body.
Learn more about how the circulatory system works, what it consists of, and the diseases that can affect your heart and blood vessels.