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Reproduction in Humans — BIOLOGY STD 8 — Question

ICSE BoardEnglish MediumSTD 8BIOLOGYReproduction in Humans2 Marks
Question
Define the term Implantation.
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Answer

The fertilised egg $($zygote$)$ soon starts developing and by the time it reaches the uterus, a small ball of numerous cells is already formed. This is a kind of embryo which forms a pit in the wall of the uterus and gets fixed in it. This natural way of fixing of the embryo in the wall of the uterus is called implantation. This produces the state of pregnancy.

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