cardiovascular systems
Hearts and vessels
Cardiovascular systems are the organ systems that circulate blood through the body, comprising the heart, blood vessels, and blood.
The term appears in medical and biological contexts when discussing circulation, heart health, or comparative anatomy across species: Exercise strengthens cardiovascular systems.
The singular form is far more common when referring to an individual's heart and vessels.
- arteriesTubes carrying oxygenated blood
- veinsBlood-return tubes
- blood vesselsTubes carrying circulating fluid
- heartCirculatory system's pump
- coronaryOf heart arteries
pumping blood · oxygenation · blood · red blood cells · systole · hypertension · myocardium · circulation · endothelium · atherosclerosis · pulse · ventricle · atrium · platelets · vascularity · capillaries · cardiotoxins · open heart surgery
cardiovascular systemsrespiratory system
Organs facilitating breathing
digestive system · nervous system · lymphatic system · endocrine system · urinary system
cardiovascular, cardiac, cardio, cardiology, cardiologist, cardiogram, electrocardiogram, myocardial, pericardium