An embryo at the 4-cell stage of development is almost twice the size of an embryo at the 2-cell stage of development.
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Q31: The umbilical arteries carry
A) oxygen-rich blood to
Q32: Fetal development includes the third through ninth
Q33: When cells take on specific structure and
Q34: The names of the extraembryonic membranes are
Q35: When does the mother first begin to
Q37: Which of the following is not true
Q38: Does a woman ovulate during pregnancy? Why
Q39: Which of the following is present in
Q40: How are the pulmonary veins and the
Q41: Which of the following is not involved
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