Derived from the inner cells of a human blastocysts , a very early human embryo.
At the blastocyst stage, five to 10 days after fertilization,
the embryo is a cluster of 100-200 cells
Cell is dividing the cell spend in the two main phrases
<span>
What do you think that a very wide space between two contour lines means?
</span><span>
B.MOUNTAIN TOP</span>
Flash floods will be the correct answer
