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aaronlinn aaronlinn
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6 years ago
Although the placenta protects the embryo and fetus from many harmful substances, an embryo/fetus may nevertheless be harmed if the mother
 
  a. smokes cigarettes, but not if she drinks alcohol
  b. drinks alcohol, but not if she smokes cigarettes
  c. takes drugs, but not if she smokes or drinks alcohol
  d. smokes cigarettes, drinks alcohol, and/or take drugs
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kad1496kad1496
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6 years ago
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aaronlinn Author
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6 years ago
Helped a lot
vernonb
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Yesterday
this is exactly what I needed
Zacellison
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2 hours ago
Thanks
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