asked 205k views
1 vote
Once an embryo forms, homeostasis is maintained by the _____

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

asked
User Rajshri
by
8.8k points

2 Answers

1 vote
B umbilical ford I think you ment cord
answered
User Mvark
by
7.6k points
1 vote

Answer:

B- Umbilical Cord

Step-by-step explanation

answered
User Walucas
by
8.1k points
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