Gasses are exchanged (CO2 is lost & O2 is gained).
There is an exchange with oxygen, nutrients, and carbon dioxide and water vapor.
pulmonary vein
Capillaries The smallest of the blood vessels: capillaries.
carbon dioxide
pulmonary artery pumps the blood away from the heart into the capillaries
Oxygen enters the pulmonary blood in the capillaries of the alveoli -- the air sacs of the lungs.
To oxygenate the blood A+
The Capillaries transfers waste filled blood from the tissues into the Pulmonary circulation.capillariesTiny blood vessels that pass food and oxygen to cells and receive waste from cells.
I believe the first vessel is the pulmonary trunk which brings the deoxygenated blood to the pulmonary arteries and so on....
through your pulmonary artery and pulmonary vein.
Capillaries
Capillaries