Question 1
Exposure to toxins during the 12th week of a pregnancy would be most likely to result in defects in which of the body's organs?
◦ the brain
◦ the ears
◦ the heart
◦ the genitalia (sex organs)
Question 2
Exposure to toxins during weeks 20 to 36 during a pregnancy would be most likely to result in defects in which of the body's organs?
◦ the brain
◦ the ears
◦ the heart
◦ the genitalia (sex organs)