The hollow cavity within the blastocyst is the
A) blastula.
B) gastrula.
C) blastocoele.
D) trophoblast.
E) ootid.
Correct Answer:
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Q55: The umbilical cord contains the yolk sac,
Q56: Oxygenated blood from the placenta returns to
Q57: The processes that occur in the pre-embryonic
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Q59: The extraembryonic membrane that forms the fetal
Q61: Figure 29-2 Fetus at 10 Weeks
Q62: The inner cellular layer of trophoblast that
Q63: The embryo becomes a fetus at
A) the
Q64: The processes that occur in the embryonic
Q65: Figure 29-1 Early Human Development
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