Question
Question: \_\_\_\_\_ keeps the embryo attached to the wall of the uterus....
_____ keeps the embryo attached to the wall of the uterus.
A
The vagina
B
The blastula
C
The fallopian tube
D
The umbilical cord
Answer
The umbilical cord
_____ keeps the embryo attached to the wall of the uterus.
The vagina
The blastula
The fallopian tube
The umbilical cord
The umbilical cord