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21 h 8 m, 16 nov 2002 ano - Embryo develops

Descrição:

Cellular division takes place and the embriotic stage begins. The brain, spinal chord, heart, gastriointestines develops during the first week or two. Arms and leg buds become visible and heart begins to beat.

Adicionado na linha do tempo:

seth

BySeth Kirkpatrick
8 dez 2017
0
0
419

Data:

21 h 8 m, 16 nov 2002 ano
Agora
~ 22 years ago

Imagens:

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