Interactive Heart Site for National Geographic and American Heart Association

Heart, Heart Information, Cardiovascular Facts, News, Photos -- National Geographic

American Heart Association Link
Choose Blood Flow and Coronary Arteries from the drop down.

On the provided Heart Diagram please label the:

1. 4 chambers of the heart

2. pulmonary vein and artery

3. 4 heart valves

4. sinoatrial nodes (S-A Node) and atrial-ventricular node (A-V Node)

5. septum

6. aorta

7. aortic arch

If done color code oxygen rich blood red and oxygen poor blood blue.