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The Dress That Wraps Up Our Body: THE SKIN
Nature & Technology

Think of a tissue metres in length yet integral; let it be a tissue bearing features that provide
Although the skin is assumed to have a simple structure, it truly is a highly complex organ composed of various layers, in which are receptor nerves, circulatory channels, ventilation systems, temperature and humidity regulators, and it can even produce a shield against sun-light when necessary.

simultaneously both heating and cooling; firm yet very aesthetic, that can offer a very effective protection against all external effects.

The skin tissue that covers the human body and the bodies of all living beings, with some differences according to species, bears all of these characteristics.

Skin tissue, like many other structures, is an organ important enough that its absence puts human life at risk. The injury of even a section of the skin, leading to a considerable water loss in the body, would cause death. Given this feature, the skin is an organ that refutes the theory of evolution on its own. It is impossible for a living being to survive, which has all of its organs fully formed but its skin not yet evolved or partly formed. This shows us that all the bodily parts of human beings as well as animals have been formed intact and flawless at the same time, that is, they were created.

Beneath the skin, which is made up of totally different structures, lies a layer made up of lipids. This lipid layer has the function of insulation against heat. Above this layer is a section most of which is made up of proteins and which gives the skin its quality of elasticity.

The view we would come across when we look at a centimetre below the skin is a picture formed by these lipids and proteins, with various vessels therein. It is not aesthetic at all, and even terrifying. Covering all these structures, the skin both makes a very aesthetic contribution to our body and it protects us from all external effects, which alone is enough to show how important the existence of our skin is to us.

All of the functions of the skin are vital. Some of these are:

It prevents disturbance of the body's water balance: Both sides of the epidermis, the outer layer of skin, are waterproof. Water concentration in the body is controlled by means of this feature of the skin. The skin is a more important organ than the ear, nose and even the eye. We can live without our other sense organs, but it is impossible for man to survive without skin. It is impossible for "water", the most vital fluid of human body, to be retained in the body without the skin.

It is strong and flexible: Most of the cells of the epidermis are dead. Dermis, on the other hand, is made up of living cells. Later, epidermal cells start to lose their cellular characteristics and are converted into a hard substance called "keratin". Keratin holds these dead cells together and forms a protective shield for the body. It may be thought that its protective quality would increase if it were thicker and harder, but this is deceptive. If we had a skin as hard and thick as that of the rhinoceros', our highly mobile body would lose this mobility and be clumsy.

Regardless of the species in question, the skin is never thicker than required. There is a very well balanced and controlled plan in the structure of the skin. Let us suppose that epidermal cells constantly died and this process did not stop at a certain point. In this condition, our skin would continue to thicken, and become thick like an alligator's skin. Yet, this is never the case, the skin is always just thick enough. How does this happen? How do skin cells know where to stop?

It would be very illogical and ridiculous to claim that the cells constituting skin tissue determine where to stop on their own, or that this system came about in a coincidental way. There is a manifest design in the structure of the skin. No doubt, it is Allah, the Sustainer of all the worlds, the One and Only, Who has brought about this design.

It has mechanisms to cool down the body in hot weather: The dermis is surrounded by very thin capillaries which not only feed the skin, but also check the blood level within it. When body temperature rises, the veins expand and help the excessively warm blood to travel through the outer layer of the skin, which is relatively cooler, and the heat is released. Another mechanism that cools the body down is sweating: the human skin is full of many tiny holes called "pores". These pores reach as deep as the lowest layer of the skin where sweat glands lie. These glands pass the water they take from the blood through the pores and throw it out of the body. The water thrown out uses the body heat to vaporise and this causes coolness.

It retains body heat in cold weathers: In cold weathers, the activity of sweat glands slows and the veins narrow. This decreases the blood circulation under the skin therefore preventing body heat from escaping.

What all of this show is that human skin is a perfect organ specially designed to facilitate our lives. Skin protects us, functions as an "air-conditioner", and facilitates easy locomotion thanks to its flexibility. Moreover, it is aesthetic.

Instead of this type of skin, we could well have a thick and coarse skin. We could have an inflexible skin that would crack and split in the event we put on even a few kilograms. We could have skin that would cause us to faint from heat in summer and freeze in winter.

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