Blood coming from the lungs enters the left side of the heart.
Seeing as the lungs act as a filter for your body, they remove toxins from the blood and add new blood back to the old dirty blood. The lungs are a wonderful invention!
Actually, the lungs remove carbon dioxide from the blood and add oxygen. The liver is more the "filter".
Carbon dioxide is at high levels and oxygen at low levels in blood that is being pumped from the heart to the lungs.
CO2 Carbon Dioxide
Oxygen
oxigen is the gas that enters the blood through the lungs
oxigen is the gas that enters the blood through the lungs
Oxygen enters the blood in the alveoli of the lungs
Oxygen enters the blood in the alveoli of the lungs
Blood enters the lungs through the pulmonary arteries.
the lungs
Oxygen
blood
Oxygen
When blood leaves the lungs through the pulmonary veins, it returns to the heart and enters the left ventricle.
arteries
It is part of the reproductive system. it is the opening to the birth canal