1h 11min, mar 3, 2020 y - Organ Development 9-12 Weeks
Description:
The brain continues to expand, the body elongates, and ossification continues. Bone marrow begins to take over production of erythrocytes from the liver. The liver secretes bile at this stage. The fingers and toes begin to develop nails.
Added to timeline:
Research and Report 5 Stages of Reproduction
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