5 St. 55 Min, 19 Mai 2003 Jahr - Lungs Develop..

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I am now inhaling and exhaling some liquid, I think it's called Amniotic fluid. I'm having a hard time doing this, but it will get better, right? By the day, it is getting easier, but I'm not sure if I will get asthma. cnx.org/contents/65bbf29b-b710-49fa-aab3-d89137a61a0f@5/embryonic-development-of-the-respiratory-system.

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