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Day one:
Brain and nervous system begin to form.
Eye begins to form. -
Day 3:
Organs begin to form.
Head and wings are visible.
Tail has appered. -
Day 6:
Beak is visible.
Wings can bend.
Ribs begin to appear. -
Day 9:
Knee caps form.
Eye lids form. -
Day 12:
Embryo continues to move and grow. -
Day 15:
Beak and claws are beging firm. -
Day 18:
Beak begins to break through inter membrane.
Lungs function. -
Day 21:
Chick hatches!!
