As the egg develops chicken

A miracle takes place on the twenty-first day from the ordinary chicken eggs into the light of day there is a little yellow miracle. Want to try? Try it! Mankind invented the incubator over a thousand years ago.

This chick was grown in a Petri dish.

Here it is, the most common chicken egg, but the most that neither is fresh. In incubator eggs are selected very carefully.

See barely visible clot? How life begins.

On the 2nd day on the yolk appear blood vessels.

On the 3rd day there are the beginnings of limbs, eyes "ozvuchivaetsya".

On the 4th day processes become visible to the naked eye.

In General, the chicken begins with the eyes.

On the 7th day of the embryo appears the mouth.

Eggs, among other things, actively breathing, consuming per day 2-4 liters of oxygen.

On the 9th day on the back formed the first feather papillae.

On the 10th day formed a beak.

By the way, the chick is growing by leaps and bounds in the truest sense of the word.

On the 13th day of the eyelid reaches of the pupil on the head appears the Pooh.

On the 14th day the embryo is covered with down completely.

On the 15th day of the eyelid completely closes his eyes.

For 16-18 days protein balls are used by the embryo.

And it grows and grows.

On the 19th day the yolk begins to be drawn, the eyes, the neck extends to the air chamber, begins PIP.

On the 20th day of the yolk is retracted fully, eyes open PIP.

On the 21st day output. Outside this process looks like.

So was born a handsome man.