Arteries: , Carry blood away from the heart., Oxygen enriched blood., Walls have thick layer of muscles., Veins: , Carry blood to the heart., Carbon dioxide enriched blood., Walls have thin layer of muscles., Capillaries: , Connects arterioles and venules., Walls are thin consisting of only one layer of cells. No muscles present. , Gas Exchange.,

Список переможців

Візуальний стиль

Параметри

Обрати інший шаблон

Відновити автоматично збережене: ?