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1 h 28 min, 7 avr. 2020 ans - Placentation

Description:

The placenta is fully developed around 14 - 16 weeks. When this organ becomes fully developed, it is responsible for providing nutrition, excretion, respiration, and endocrine function.

Ajouté au bande de temps:

Research and Report 5 Stages of Reproduction

ByKarina Steinhauser
11 déc. 2019
0
0
390

Date:

1 h 28 min, 7 avr. 2020 ans
Maintenaint
~ Il y a 5 ans et 6 mois
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