As the foetus gradually gets prepared for life in the outside world, an extraordinary team of workers is organized among the organs. The work that will be done is determined according to the conditions in the outside world. The eyes, unused in the mother's womb, are constructed for the intensity of the world's light; the ears are made for the world's sounds. In the same way, the stomach and the other digestive organs are equipped with a physiological system designed to function in relation to this world's nutrient material. The cells of the digestive system are programmed and adjusted so as to digest food they have never encountered. Along with their ability to analyse carbohydrates and fats, they are programmed to know which nutrients are required by which organs and to ensure that these nutrients are sent to the relevant cells in the body. So, the foetus is prepared for the outside world in a planned and programmed way. Here we must point out again that these organs and cells that constitute the body of a new human being make these preparations for an environment that they have never seen, heard of or otherwise experienced. They develop as if they were aware of the environment that was waiting for them after leaving the mother's body. Certainly it is impossible to claim that these cells accomplish these acts by their own prescience. The conscious and deliberate preparations made by the cells in forming a baby's body, inspired in them by God, must be considered as an important proof of creation.
In the final months, the foetus begins to gain weight. Certain cells produce a fat layer which is named "brown fat" because it has a brownish colour. The special brown fat develops in particular areas of the foetus such as the nape of the neck, around the kidneys and behind breastbone. In addition to providing insulation, brown fat itself produces heat. The special function of this fat layer is to keep the baby warm in the early weeks after birth.49The fact that these cells which produce this fat layer flawlessly perform the duties that have been inspired in them is another proof of creation.
In the meantime, the skin of the foetus undergoes important changes resulting in the development before birth of skin surface which is critical for survival after birth. The skin of the foetus produces an oily surface covering which confers a water repelling property to the surface of the skin in contact with the amniotic fluid. This oily surface layer has an important effect to promote maturation of the underlying skin cells and the formation of a skin barrier before birth.
In earlier sections, we mentioned that in the early stages of the embryo, the mother's defensive cells are not permitted access to the baby's blood. These cells see the baby as a foreign intrusion and could kill it. But in the ninth month, this situation changes suddenly and antibodies (a protective protein produced by the immune system) in the mother's womb pass to the foetus through the placenta. When we examine the reason for this, we are struck by something very surprising. In the first six months after birth, the cells in the baby's immune system do not develop, but the baby will need antibodies to protect it from the germs in the world. So, in the last month, the mother's antibodies, which are permitted access to the baby's blood, will be ready to protect the baby from contracting infectious diseases when it is first born.50In the subsequent months, as the baby's immune system begins to produce its own antibodies, the mother's antibodies will cease functioning.
As in what we have said before, this operation too, as outlined above, is an example of the perfect plan in the creation of human beings. The details in every month, every day, every minute of the formation of a human being are minutely calculated. Flawless systems prevent harmful material from reaching the foetus, but when these materials are needed, the old system is removed according to the same perfect plan, and a new one is put in place. Certainly, this perfection does not come about by the deliberate decision and will of the cells which make up a human being. All these things are proof of the incomparable creation of Almighty God.
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One of the functions of the placenta is to protect the baby from the mother's defensive cells (top). But this protection continues only up to a certain month. In the ninth month, this situation changes and the antibodies in the mother's body pass with the help of the placenta into the foetus (large picture). For the first six months of life in the world, the baby's immune cells will not be formed. This would mean death for the baby. Therefore, it is very important that the placenta gives permission for the antibodies to pass. It is clear to everyone that the cells comprising the placenta are by themselves incapable of such conscious behaviour. It is God Who creates these cells and inspires them as to what they must do.
As can be seen in the examples given, every stage in the development of a human being is controlled and occurs according to a perfectly ordered plan. And every human being, while in the foetus stage, undergoes this controlled development and grows into maturity. The special plan and perfect design in the development of a human being is a manifestation for aware individuals of the eternal knowledge and wisdom of God.