Question

Exposure to toxins is most damaging during weeks 4 through 8 of the embryonic stage due to development of what during this period?

Answer 1

organs

Embryonic Development  Weeks 48 . Most organs develop in the embryo during weeks 4 through 8. If the embryo is exposed to toxins during this period, the effects are likely to be very damaging. Can you explain why?  Note: the drawings of the embryos are not to scale.  .