What happens under the shell of an egg, amazing nature!

What happens under the shell of an egg, amazing nature!
Under the shell of the egg there is a double shell membrane, protein and in the very center of the egg the yolk, on which the embryo is located.

The protein keeps the yolk in such a position that the embryo is always directed upwards, closer to the heat.

At the blunt end of the egg there is a special area filled with air.Protein performs the functions of amniotic fluid))). Such a smart nature❤️
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