By about day seven of pregnancy, which of the following occurs?
A) The entire fetus is covered by hair, which will dissipate at about 12 weeks.
B) The heart, ears, lungs, and kidneys begin to develop.
C) The neural tube, arms, legs, and undifferentiated sex organs form.
D) The blastocyst travels down the fallopian tube and attaches to the uterine wall.
Correct Answer:
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Q1: The study of human development involves examining
Q2: The first major organ to form is
Q4: Another name for the blastocyst is _.
A)
Q5: The formation of the brain, spinal cord,
Q6: The _ begin developing in the third
Q7: Deb and Mike's developing baby has entered
Q8: Although she's checked every day for many
Q9: A newborn baby's brain weighs _ of
Q10: Research shows that fetuses prefer the sound
Q11: Becky, who is pregnant, will most likely
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