Circulation about the Heart

The heart in the picture at the left has been removed from the pericardial sac.

Blood returning from the peripheral circulation is deoxygenated when it enters the right side of the heart and is pumped to the lungs to be oxygenated. Oxygenated blood returning from the lungs enters the left side of the heart and is circulated to the rest of the body. Veins have been injected with blue latex and arteries have been injected with red latex.

Click on the numbers to test your knowledge of the structures through which the blood travels in route to becoming oxygenated.

Click here to view an animation of blood flowing through the heart - Click on cardiology tab - more about basic cardiac anatomy/physiology

Click here for a close up of the circulation of the blood in the lung

Click here to more closely examine the internal structure of the heart

Click here to follow the path the blood takes into the forearm.

Click here to follow the path the blood takes into the abdominal area

Click here to follow the path the blood takes into the hind limb

Click here to differences explore differences in the circulation patterns of vertebrates - click on vertebrate circulatorium (right side of screen).

Return to organs

Return to tutorial