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Your Baby is Developing Lungs

Paul Banas
Author Paul Banas
Submitted 11-08-2006

Your wife is eighteen weeks pregnant. Inside, your baby’s lungs are already beginning to form the alveoli–the tiny air sacs that will help him breathe once he leaves the womb. Until then, even though his vocal chords are developed and he goes through the motions of crying, without air there is no sound. Click here to view a picture of what the baby will look like at this stage.