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Reference.org
Pulmonary artery
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<p>A pulmonary artery is an <a href="/facts/Artery/Y1Yj0jat">artery</a> in the <a href="/facts/Pulmonary_circulation/mBM1zMzc">pulmonary circulation</a> that carries deoxygenated <a href="/facts/Blood/03zEulkj">blood</a> from the right side of the <a href="/facts/Heart/fF4KSGdk">heart</a> to the <a href="/facts/Lung/gTWXI6Fj">lungs</a>. The largest pulmonary artery is the <i>main pulmonary artery</i> or <i>pulmonary trunk</i> from the <a href="/facts/Heart/fF4KSGdk">heart</a>, and the smallest ones are the <a href="/facts/Arteriole/HYVG0g7P">arterioles</a>, which lead to the <a href="/facts/Capillary/4BIzKJAe">capillaries</a> that surround the <a href="/facts/Pulmonary_alveolus/aEHP1ATT">pulmonary alveoli</a>. </p>