Trace the pathway of oxygen gas molecules from an alveolus of the lung to the right atrium of the heart.?

Answer 1

Great question, and probably rarely thought of, ok, it's simpler than you think. It goes into the alveolar cappillaries, then into the pulmonary artery, which feeds into left atria, to the left ventricle, aorta, right coronary artery, ramus ostii cavae superiorius which feeds directly to the atrial tissue.

This answer should impress the hell out of who ever asked you it. But in this pathway, the oxygen is actually going into the tissue of the right atria, and not within the lumen of the right atria, two distinctly differnt questions, below is the pathway for oxygen molecule that does not bind to myoglobin and remains bound to hemoglobin and thus unused travels back to the lumen of the right atria.

alveolar cappillaries, pulmonary artery, left atria, left ventricle, aortic arch, thoracic aorta, artery (could be any artery) arteriole, cappillaries, veins, vena cava, right atria.

Answer 2

This Site Might Help You.

RE:
Trace the pathway of oxygen gas molecules from an alveolus of the lung to the right atrium of the heart.?

Answer 3

Oxygen via the alveolus into the blood from your lungs and then to your left atrium via pulmonary veins (veins carry blood toward to heart).

Blood then flows from your left atrium into your left ventricle.

At the same time, your left ventricle pumps blood — once again full of oxygen — out of your heart to your body.

Deoxygenated blood returns from the body to the right atrium, and then moves to the right ventricle ready to return to the lungs via pulmonary arteries.

Excellent link to diagrams, explanations and moving animation:

http://www.guidant.com/condition/heart/heart_bloodflow.shtml

Answer 4

I would just like to say that jason e is full of **** his claim "I have a Ph.D. in cardiovascular physiology " i have only taken one university physiology class which i just finished and even in that elementary comparitive to Ph.D. class i learned that the pulmonary artery is the only deoxygenated artery as it travels from your right ventricle to you lungs and then your pulmonary vein brings the oxygenated blood to the left atria, then left ventricle then aorta, some artery, capillaries, vein, vena cava, right atria, right ventricle, and repeat. If he's going to bluff he should at least make sure that he is right.

Answer 5

Andy Biersack

Answer 6

Form the alveoli it is transferred into the blood by reverse osmosis. Form the bloodstrean it is transferred to the heart.