When first formed,the embryo consists of three layers of cells.These separate layers eventually form
A) the brain,spinal cord,and nerves.
B) the fetus,the placenta,and the umbilical cord.
C) the fetus,the placenta,and a supply of nutrients.
D) all the tissues and organs of the body.
Correct Answer:
Verified
Q1: Which of the following is the correct
Q3: Despite the fact that a woman is
Q4: The expelled egg cell,or _,is carried into
Q5: The _ is the largest cell in
Q6: Prenatal development is defined as the period
Q7: The perinatal period begins about
A) the first
Q8: Ming's egg has been fertilized for four
Q9: How does the egg prepare for fertilization
Q10: The fetal period is characterized by
A) formation
Q11: Sharon's egg has been fertilized for three
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