During the third and fourth months,
A) lanugo covers the body.
B) ossification of bones begins.
C) still can not determine the sex of the fetus.
D) mother begins to feel movement.
Correct Answer:
Verified
Q37: Gestation
A)is the time from fertilization to embryo
Q38: The fetus is surrounded by a protective
Q39: Embryonic development
A)refers to the first week.
B)refers to
Q40: The amnion
A)is the first site of blood
Q41: The placenta is composed of
A)chorionic villi.
B)uterine tissue.
C)fetal
Q43: Maternal and fetal blood supplies mix to
Q44: The first system to be visually evident
Q45: During the fourth and fifth weeks
A)all organ
Q46: The heart begins as two tubes that
Q47: The completion of a functioning placenta marks
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