The heart's performance as a pump The heart's function is to pump the blood and circulate it round the body. We assess the heart's performance by measuring how much blood it pumps out each minute.
The heart's performance as a pump The heart's function is to pump the blood and circulate it round the body. We assess the heart's performance by measuring how much blood it pumps out each minute.
Taken into consideration with existing knowledge, it appears likely that vertebrate hearts have a more sophisticated 'brain' ...