The extra structure that provides nutrition to the embryo is

  • A
    Umbilicus
  • B
    Amnion
  • C
    Chorion
  • D
    Placenta

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The first movement of the fetus and the appearance of hair on the head are usually observed during which month of pregnancy?

By the end of which week of pregnancy is the body of the fetus covered with fine hair,eyelids separate,and eyelashes are formed (in $weeks$)?

In which stage is the archenteron cavity observed?

The brain and spinal cord are derived from which germ layer?

When do the first movements of the fetus and the appearance of hair on the head usually occur?

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