<P> A pulmonary artery is an artery in the pulmonary circulation that carries deoxygenated blood from the right side of the heart to the lungs . The largest pulmonary artery is the main pulmonary artery or pulmonary trunk from the heart , and the smallest ones are the arterioles which lead to the capillaries that surround the pulmonary alveoli . </P>
where does the pulmonary trunk receive blood from
the heart