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The Endowment for Human Development
The Endowment for Human Development
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The Rooting Reflex


3 months

From The Biology of Prenatal Development.Buy Now

Script: Berbeza dengan gerak balas menarik kepala dilihat awal tadi, stimulasi berdekatan mulut kini menyebabkan kepala dipusing ke stimulus & mulut dibuka. Gerak balas ini dipanggil "refleks pengakar" dan berkekalan selepas kelahiran, membantu bayi mencari puting si ibu semasa penyusuan.

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