through pulmonary veins
through your pulmonary artery and pulmonary vein.
Capillaries. They're so small that red blood cells are sometimes forced to travel single-file.
Capillaries . The smallest of the blood vessels: capillaries.
capillaries
capillaries
The capillaries carry the blood around the alveoli.
The tubes that carry blood are known as the blood vessels. These include the capillaries, arteries, and veins.
Carbon dioxide passes into the blood at the capillaries of the systemic circulation. Then it is released at capillaries around the alveoli.
Venule.
The tubes that carry blood around the body are blood vessels. They comprise arteries, veins, and capillaries.
Blood vessels are the tubes that carry blood. The three types of blood vessels are arteries, capillaries, and veins.
The smallest blood vessels are the capillaries.