the system concerned with the transport of blood and lymph, consisting of the heart, blood vessels, lymph vessels, etc
circulatory system in American English
the system responsible for circulating blood and lymph throughout the body, that supplies nutrients and oxygen to the cells and removes various waste products: it consists of the heart, blood, blood vessels, lymph, etc.
Examples of 'circulatory system' in a sentence
circulatory system
Diseases of the heart and circulatory system are the main cause of death in the UK.