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The Endowment for Human Development
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The Maturing Heart


6 weeks, 6 days

From The Biology of Prenatal Development.Buy Now

Script: 4 komorové srdce je z veľkej časti hotové. V priemere teraz bije 167-krát za minútu.

Elektrická aktivita srdca, ktorá bola zaznamenaná v 7 a 1/2 týždňoch, prezrádza vzorec vĺn podobný dospelému človeku.

All ages referenced to fertilization, not last menstrual period.
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Nipple Formation
Nipple Formation
Hand Movement
Hand Movement
The Maturing Heart
The Maturing Heart
The External Ear
The External Ear
Hiccups & Startle Response
Hiccups & Startle Response
Joining Hands
Joining Hands
Buy the Biology of Prenatal Development DVD
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