Which part of the human body is responsible for pumping blood?
a) Liver
b) Lungs
c) Heart
d) Kidneys
b) Lungs
c) Heart
d) Kidneys
Details:
Your heart pumps blood around the body all the time - about 5 litres (8 pints) of it. This is called circulation. Your heart, blood and blood vessels together make up your cardiovascular system (or heart and circulatory system).