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jan 5, 2018 - Week 5

Description:

The spinal cord, brain, heart, and blood has begun to form. The embryo is in a C-shape, and is surrounded by protective membranes. (Source 1)

Added to timeline:

Biology Timeline 1

ByAdrian Sanchez

9 Dec 2017

1

0

588

Date:

jan 5, 2018

Now

~ 8 years and 5 months ago

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