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The Endowment for Human Development
The Endowment for Human Development
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5 months

From The Biology of Prenatal Development.Buy Now

Script: 5 MESECEV

Pri 20 tednih polž, organ sluha, doseže svojo normalno velikost v popolnoma razvitem notranjem ušesu. Sedaj se zarodek odziva na različne vrste zvokov.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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