Me a hen is going to tell you about are little chicks. The most temporary organ that is important is the embryo and the Allantois the Allantois collects the waste and helps our little chickens to breathe which is (lungs) and it is also the aircell. The other temporary organ is the Amnion the Amnion helps the embryo from bumbing aganist the shell.
turning the eggs so they dont hit the roof of the egg and they will stay in position an dont bump into the roof.
the other most important part is temputure so they dont stick to the roof so incubation is important and its another part of staying alive it helps it from getting deformed or not healthy.
Here Im going to tell you about how there events of life. The 3rd day is important , The embryo has fliped over toward the other side of the yolk , the tail bud is forming and the brain is on the left side of the embryo. THe animotic sac, the aminotic sac keeps the embryo protected by not being shock and it will give it freedom to move .
At 10 days the yolk dimension has reached its maximum.In the inset you can see that the wing and feet digits are completly separted and the pipping beak, or the egg tooth is forming the outer tip of the upper beak. There is some feather foliance de
On day 19 the beak is about to pierce the inner shell membrane to the greatly enlarged aircell . The wing is a little out of position because of the removal of the shell, but when its properly over the beak, the chick uses the wing as a guide to pipping a ring around the shell