How do arteries, veins, and capillaries compare?

The coronary arteries branch from the aorta, surrounding the outer surface of the heart like a crown. read more

Capillaries connect veins and arteries to exchange oxygen and carbon dioxide. Thin and weak, capillaries are only as thick as one epithelial cell. Blood passes through capillaries one cell at a time, single file. The blood cells release oxygen, which passes through the capillary walls into nearby tissue. read more

(Veins)- the connection between the system are the capillaries-the smallest blood vessels in our body where it changes over from the arterial to the venous system. There are a lot of aids to visualize this online. read more

Capillaries connect veins and arteries to exchange oxygen and carbon dioxide. Thin and weak, capillaries are only as thick as one epithelial cell. Blood passes through capillaries one cell at a time, single file. read more