BIO 12 UNIT 4: Study Notes

PATHWAY OF BLOOD

Aorta-->Arteries-->Arterioles-->Capillaries at major body organs and regions-->Venules-->Veins-->Inferior/Superior Vena Cava-->RA-->(via tricuspid AV valve) RV-->(via Pulmonary semi-lunar valve) Pulmonary Trunk-->Pulmonary Arteries-->Pulmonary Arterioles-->Pulmonary Capillaries (lungs)-->Pulmonary Venules-->Pulmonary Veins-->LA-->(via bicuspid/mitral AV valve) LV-->(via Aortic semi-lunar valve) Aorta

Video... Excellent and informative explanation of blood flow in heart:

http://www.youtube.com/watch?v=mH0QTWzU-xI