Inhalation.
Pulmonary agents primarily enter the victim through inhalation, where the toxic substance is breathed into the lungs and absorbed into the bloodstream. These agents can cause damage to the respiratory system and lead to serious health consequences.
hilum
The right ventricle pumps blood into the pulmonary artery.
Through the pulmonary vein
the pulmonary artery, pulmonary veins, bronchial vessels and lymphatic vessels
The left atrium
It enters the arteries.
Left atrium via the pulmonary veins from the lungs.
It flows through the pulmonary vein toward the heart.
The pulmonary vein enters the left atrium of the heart.
Two, the left and right pulmonary veins.
The left pulmonary artery