urmumaudrey urmumaudrey

08-05-2020
Biology

contestada

Once an embryo forms, homeostasis is maintained by the _____

A-amniotic sac
B-umbilical Ford
C-chorion
D-blastocyst

Respuesta :

Аноним Аноним

08-05-2020

Answer:

B- Umbilical Cord

Explanation

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chelbell352 chelbell352

08-05-2020

B umbilical ford I think you ment cord

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