The Heart and Circulatory System Coronary Veins (blue) Coronary arteries (red)
The Structure of the Heart http://www.bhf.org.uk/swfs/hearthealth/structure_of_heart.swf http://www.kett6.net/adulteducation/heartanimations.html http://sprojects.mmip.mcgill.ca/mvs/SHOCK/HRTSPLIT.HTM Circulation http://health.howstuffworks.com/heart2.htm
Inside the Heart The heart is divided into 4 chambers The top two are the atria The bottom two are ventricles The heart is labelled as if you are operating on it, the right side is the patients right, not yours!