Which extraembryonic membrane forms the embryonic part of the placenta?
A) yolk sac
B) amnion
C) chorion
D) allantois
Correct Answer:
Verified
Q13: The organ systems rudimentarily form during the:
A)fetal
Q14: Which of the following is NOT a
Q15: When does the prenatal period begin?
A)birth
B)infancy
C)conception
D)gestation
Q16: The fusion of a sperm cell and
Q17: Which part of the embryo contributes to
Q19: Which of the following implants in,or attaches
Q20: After fertilization,a zygote rapidly divides to produce
Q21: What process starts at the embryonic period?
A)fertilization
B)formation
Q22: By what week of prenatal development will
Q23: Cephalocaudal folding creates the:
A)head and buttocks regions.
B)digestive
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