EVERYDAY SCIENCE

Detailed explanation-1: -Your heart is the only circulatory system organ. Blood goes from the heart to the lungs to get oxygen. The lungs are part of the respiratory system. Your heart then pumps oxygenated blood through arteries to the rest of the body.

Detailed explanation-2: -The cardiovascular system consists of the heart, veins, arteries, and capillaries.

Detailed explanation-3: -The circulatory system consists of the heart, lungs and blood vessels. The heart pumps blood throughout the body through the circulatory system.

Detailed explanation-4: -Circulatory system Your heart pumps blood around the body all the time-about five litres (eight pints) of it-and this is called circulation. Your heart, blood and blood vessels together make up your cardiovascular system (or heart and circulatory system).

Detailed explanation-5: -The circulatory system consists of three independent systems that work together: the heart (cardiovascular), lungs (pulmonary), and arteries, veins, coronary and portal vessels (systemic).