Biology, asked by kawtharshafa3821, 11 months ago

Why does morula descend into uterus even thoug it has to be implanted in fundus upper part

Answers

Answered by MrPrinceX
1

A cavity forms inside the morula, by the active transport of sodium ions from trophoblast cells and osmosis of water. This results in a hollow ball of cells known as the blastocyst. The blastocyst's outer cells will become the first embryonic epithelium (the trophectoderm).

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