If the oxygen level in the blood is 100mm Hg and the oxygen level in the alveoli is 140mm Hg, than how does the oxygen move?

1 Answer
Feb 15, 2018

See below:

Explanation:

  • Gases diffuse from higher partial pressure to their lower partial pressure.
  • So, according to your question,
    #po_2# in blood = 100 mmHg
    #po_2# in alveoli = 140 mmHg

Therefore, the oxygen will move from alveoli to blood because the partial pressure of oxygen in alveoli is more than partial pressure of oxygen in blood and gases move from higher partial pressure to lower partial pressure , hence, the movement of oxygen will be from alveoli to blood.

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