What is the site from which oxygen enters the pulmonary blood?

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What is the site from which oxygen enters the pulmonary blood?

2006-11-16 08:53:40 · 2 answers · asked by Brittni B 1 in Science & Mathematics ➔ Biology

2 answers

alveoli - particularly the alveolar membranes

2006-11-16 09:04:06 · answer #1 · answered by Trying To Be Helpful 4 · 0⤊ 0⤋

Oxygen, would enter the blood by means of the alveoli (blind sacs at the end of the bronchioles), because when air enters the alveoli, there is a greater concentration of Oxygen in the lungs than in the blood. Therefore, molecules of Oxygen diffuse into the blood stream.

Hope this helps!

2006-11-16 10:53:20 · answer #2 · answered by SashMarie 2 · 0⤊ 0⤋