Period Of the Zygote(fertilization to end of second week))

As The zygote passes down the fallopian tube to uterus, it divides many time separates into an outer and an inner layer.

The outer layer later develops into the placenta,the umbilical cord,and the amniotic sac,and the inner layer develops into a new human being.

About ten days after fertilization, the zygote becomes implanted in the nuterine wall.


Popular posts from this blog

Avoid Painkillers to Save Your Kidney and Liver. Use a Non - toxic, Safer and Natural Painkiller Remedy " No Pain "

"Each year a lesson for us, this is our expertise, how we can apply this lesson to the next." Let's start new year with New Dream, New Hope and Full of Positive Energy!!! Happy New Year 2019

Let's Beat Skin Cancer Together! Avoid Carcinogens (Cancer-Causing Chemicals) in Cosmetics