The systematic and pulmonary circulation of the blood in the human body, in coloured and animated diagrams showing the structure and functions of heart, lungs, arteries, veins and capillary network, the route of the blood, the heart cycle, and exchange of oxygen and carbon dioxide in air sacs of the lungs and cells of the body.
Privacy and cookies: This site uses cookies. By continuing to use this website, you accept its use.
For more information, including how to control cookies, see here:
Privacy and cookies.
United Kingdom