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Baby's developmentMonth 2 During month two, the entire digestive system is formed. The stomach, liver, pancreas, gall bladder, spleen and intestines all blossom from the inner layer, the endoderm. The fetus is now about the size of a grape. The head and facial features have human characteristics, with closed eyelids, ears, and a mouth. The fetus has all limbs including arms, legs, fingers and toes, but they are supported by cartilage because the bone formation and hardening process is not complete. The external genitalia also forms and the lungs develop their separate lobes.
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