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Bronchial Tree


 

4 months, 2 weeks

From The Biology of Prenatal Development.Buy Now

Script: In the respiratory system, the bronchial tree is now nearly complete.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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Bronchial Tree
Bronchial Tree
( 4 months, 2 weeks)
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Circadian Rhythms
( 4 months, 3 weeks)
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