The face develops from
A) two tissue masses.
B) three tissue masses.
C) four tissue masses.
D) five tissue masses.
E) six tissue masses.
Correct Answer:
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Q3: Chorionic villi protrude into blood-filled cavities called
Q4: The fluid-filled cavity in the blastocyst is
Q5: The trophoblast
A)forms the embryonic part of the
Q6: Fertilization,the union of the sperm cell and
Q7: Which of the following tissues most likely
Q9: Which of these is NOT a structure
Q10: The chorion (later placenta)secretes
A)HCG.
B)FSH.
C)LH.
D)TSH.
E)ADH.
Q11: Functions of the placenta include
A)production of HCG.
B)diffusion
Q12: Human chorionic gonadotropin (HCG)
A)causes the follicle to
Q13: The embryonic disk
A)is composed of two layers
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