____ connects the embryo to the placenta and transports metabolic waste from the embryo to the mother's blood stream.
A) The uterus
B) The umbilical cord
C) The fallopian tube
D) The intestine
Correct Answer:
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Q12: The prenatal period lasting from conception to
Q13: Implantation occurs about two _ following conception.
A)hours
B)days
C)weeks
D)months
Q14: Out of every four zygotes, _ fail(s)
Q15: The proper place for the blastocyst to
Q16: Identify the correct prenatal sequence of periods,
Q18: The period of the embryo occurs during
Q19: Of the following, the substance that typically
Q20: During the first four days following conception,
Q21: The embryo's neural tube develops eventually into
A)the
Q22: In the absence of biochemical instructions, the
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