Wrong again Noah.
The lungs are where oxygen exchange happens within the body. Blood from the pulmonary circulation goes from the right ventricle, up the pulmonary artery into the pulmonary capillaries where oxygen and carbon dioxide are exchanged in the alveoli (the air sacs within the lung), and then it is then sent into the pulmonary veins into the left atrium where it is pumped in the left ventricle into the aorta and into the rest of the body.
The lung's job is to have ALL THE BLOOD in the body pass through it, so that the carbon dioxide in the blood can be blown off and extra oxygen can be taken in. Therefore the lung is supposed to be continously full of blood, or else you would never get any oxygen into your body.
The lungs are where oxygen exchange happens within the body. Blood from the pulmonary circulation goes from the right ventricle, up the pulmonary artery into the pulmonary capillaries where oxygen and carbon dioxide are exchanged in the alveoli (the air sacs within the lung), and then it is then sent into the pulmonary veins into the left atrium where it is pumped in the left ventricle into the aorta and into the rest of the body.
The lung's job is to have ALL THE BLOOD in the body pass through it, so that the carbon dioxide in the blood can be blown off and extra oxygen can be taken in. Therefore the lung is supposed to be continously full of blood, or else you would never get any oxygen into your body.
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