An estimated _____ percent of American women smoke during their pregnancies.
A) 7
B) 12
C) 17
D) 20
Correct Answer:
Verified
Q13: The male produces sperm in the _,
Q16: Implantation occurs _ after fertilization.
A)within a few
Q17: The _ becomes the digestive system,lungs,urinary tract,and
Q18: Which of the following parts of a
Q19: At 3½ weeks after fertilization,production of neurons
Q22: Research suggests that more active fetuses during
Q23: Viability occurs between _ weeks.
A)18 and 21
B)22
Q24: By the middle of the second trimester,the
A)new
Q25: During the final months of pregnancy,the fetus
Q26: Motor,visual,attention,memory,and language problems that appear in infancy
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