Body Coordination
In the human body, all systems operate simultaneously and in coordination, fully harmonized for a specific purpose - to keep the body alive. Even the smallest movements we perform every day, such as breathing and smiling, are the result of perfect coordination within the human body. Within our bodies, there exists a highly intricate and comprehensive coordinated network that works tirelessly. Its purpose is the continuity of life. This coordination is most evident in the body's motion system, where even the tiniest movements require the skeletal framework, muscles, and nervous system to work together seamlessly.
A prerequisite for bodily coordination is the existence of a system for accurate information transmission. Only through accurate information transmission can new judgments be made. To perform this judgment, an incredibly sophisticated network of intelligence operates within the human body.
To perform a coordinated action, it's essential to first understand the involved organs and their relationships. This information comes from the eyes, the balance mechanism in the inner ear, muscles, joints, and skin. Every second, billions of pieces of information are processed and evaluated, and new decisions are made based on that information. Humans are often unaware of the rapid processes occurring within their bodies. They move, laugh, cry, run, eat, and think without exerting significant effort for these actions. Even for a simple smile, seventeen muscles must work together simultaneously. If even one of these muscles fails to function, the facial expression changes. Walking requires the collaboration of 54 muscles in the legs, thighs, calves, and back.
There are billions of microscopic receptors in muscles and joints that provide information about the body's condition. Messages from these receptors reach the central nervous system, and new commands are sent to muscles according to the assessments made.
The perfection of body coordination can be better understood through the following example: To raise the hand, the shoulder must be bent, the muscles in the back and front of the arm—called the "triceps" and "biceps"—must contract and stretch, and the muscles between the elbow and wrist must twist the wrist. In each part of the movement, millions of receptors in the muscles immediately send information to the central nervous system about the muscle's position. As a response, the central nervous system instructs the muscles on what to do next. Humans are unaware of this entire process. A person simply desires to raise their hand and immediately does so.
For instance, to maintain an upright posture, numerous packages of information obtained from billions of receptors in the muscles of the arms, legs, spine, abdomen, chest, and neck are evaluated, and the same quantity of commands is given to the muscles every second.
Speaking also requires no painstaking effort. Humans never plan how far the vocal cords should separate, how frequently they should vibrate, the sequence of these vibrations, how often and which hundreds of muscles in the mouth, tongue, and throat should contract and stretch. Humans also don't calculate how many liters of air should be inhaled into the lungs, how quickly and at what frequency this air should be exhaled. We wouldn't be able to achieve this even if we tried. Even uttering a single word involves the collaboration of multiple systems, ranging from the respiratory system to the nervous system, from muscles to bones.
What happens if this coordination is disrupted? Different expressions might appear on our faces when we try to smile, or we might not be able to speak or walk as we wish. However, in reality, we can smile, speak, and walk freely without any disruption because everything mentioned here is achieved through Creation, logically necessitating the presence of an 'infinite power and energy.'
Hence, humans should always remember that their existence and life are blessings from their Creator, Allah. There's no reason for humans to be arrogant or conceited. Health, beauty, and strength are not the results of their own efforts, and these attributes are not given forever. They will inevitably age and lose their health and beauty.
If one desires to attain a position like the one mentioned in the above verse and to remain in that state eternally in the afterlife, a person must express gratitude to Allah for all the blessings bestowed upon them and lead their life in accordance with His commands.
As observed in the examples mentioned earlier, all organs and systems within the human body possess amazing characteristics. When these attributes are examined, humans will witness intricate balances that underlie their existence, the marvel of their creation, and they will once again grasp the magnificence of Allah's artistry, as exemplified within themselves.
The Heart
Located in the upper right abdomen, the heart functions as a unique filter within the circulatory system. While the kidneys filter excess simple substances dissolved in water, the liver cleanses excess complex substances such as drugs and hormones.
Supports the logistics of the immune system: The liver not only acts as a filter for food and excess metabolic processes but also produces globulin (immune substances) and enzymes (a collection of substances that can repair blood vessels).
Cleanses bacteria: Kupffer cells in the liver engulf bacteria in the blood that passes through the liver, especially blood from the intestines. When the number of particles or byproducts in the blood increases, Kupffer cells also increase in number to filter and separate these substances from the blood.
Produces the body's energy source: One of the primary functions of the liver is producing glucose, the main energy source for metabolism.
The glucose received daily from food is converted into glycogen and stored in the liver. The liver constantly monitors blood glucose levels. When no food enters between meals and blood sugar levels begin to drop, the liver converts stored glycogen into glucose and releases it into the blood. Thus, glucose levels are prevented from dropping drastically. The liver can also produce glucose from fatty acids and amino acids, just as it can convert other types of carbohydrates not used for energy production into glucose.
Stores blood: The liver has a structure that can expand or contract. With this ability, it can store or release blood into the fine blood vessels.
In a healthy body, the liver can store up to 10% of the total blood volume in the body, approximately 450 milliliters of blood. In certain conditions, such as when there is a heart abnormality, the amount of circulating blood in the body becomes excessive, burdening the heart, which has to pump it throughout the body. In such cases, the liver doubles its blood storage capacity, allowing it to store up to 1 liter of blood. Thus, the liver enables the heart to work within a safe range.
Works frugally: When glucose is consumed by muscles, excess metabolic acid called lactic acid is produced. While in the muscles, lactic acid causes pain and inhibits muscle movement. The liver collects this acid from the muscles and can convert it back into glucose.
Produces new red blood cells and replaces dead blood cells: The spleen and liver are places where red blood cells are produced to replace dead red blood cells, and they are also places where most proteins are broken down and reused as amino acids for various purposes. The liver is the body's storage place for iron, which plays a crucial role in the body.
The liver is the body's most complete reserve. All minerals, proteins, a small amount of fats, and vitamins are stored in the liver. When necessary, the liver sends stored substances to the parts of the body that need them in the shortest possible manner. The liver precisely controls whether the body has enough energy through an intelligent system. All organs in the body are connected to the liver.
Self-repairing ability: The liver can regenerate itself. If a specific portion is damaged, other cells will replace the damaged area by rapidly increasing in number. Even if two-thirds of this organ is amputated, the remaining part can regenerate and complete the liver.
During self-repair, the organ releases damaged or dead cells from its environment and replaces them with new cells. Liver cells are formed in a specialized way, allowing them to perform over 500 operations simultaneously. The liver usually carries out all these operations not sequentially but concurrently.
Skin
Skin is a vast tissue, yet it remains an integral part. Skin is capable of regulating body temperature, strong yet remarkably beautiful, and it effectively shields the body from environmental influences.
Like other structures, skin tissue is an essential organ, and its absence would endanger human life. A wound in just one area, if causing fluid loss, can lead to death. With its unique attributes, skin is an organ that can alone refute the theory of evolution. Living beings cannot survive if skin tissue is not yet formed or only partially formed, even if other organs have developed. This demonstrates that all parts of a living being's body have been created whole and complete simultaneously. This means that these body parts have been created.
Beneath the skin, composed of several vastly different structures, lies a layer made up of lipids. This lipid layer functions as an insulator against heat. Above this layer is a portion composed of proteins, which gives the skin its elasticity.
One centimeter below the skin's surface, layers formed by lipids and proteins are present, containing various vessels. This image is not beautiful, even frightening. Skin covers these structures, beautifying the body and protecting us from environmental influences. All of this is enough to demonstrate the importance of skin's presence in our bodies.
Skin serves very important functions for our body. Some of these include:
Skin prevents disturbances in the body's fluid balance: Both sides of the epidermis (outer layer of skin) are waterproof. This characteristic is used to control the body's fluid concentration. Skin is an organ more crucial than the ears, nose, and even the eyes. We can survive without other sensory organs, but humans cannot possibly survive without skin. Without skin, it is impossible for water, the most crucial fluid for the human body, to be retained.
Skin is strong and flexible: Most epidermal cells are dead cells. In contrast, the dermis is composed of living cells. Later, epidermal cells begin to lose their cellular characteristics and transform into a hard substance called keratin. Keratin binds these dead cells and forms a protective barrier for the body. One might think that we would be better protected if keratin were thicker and harder, but this is not the case. If our skin were as thick and tough as a rhinoceros's skin, we would lose the flexibility to move.
In any living being, the skin is never thicker than necessary. The structure of skin has a fine balance and control. Suppose epidermal cells were constantly dying and never stopped. In that case, our skin would keep thickening, becoming as thick as a crocodile's skin. However, this never happens. Skin thickness remains just right. How is this possible? How do skin cells know at what thickness the process of cell death should cease?
It is highly unreasonable to claim that skin tissue cells are capable of deciding for themselves when they should stop or that it's all just a coincidence. The structure of skin displays a clear design, and there is no doubt that it's Allah, the Sustainer of the entire universe, the One who creates flawlessly and without peer, who has crafted all of this.
Skin has mechanisms for cooling the body in hot weather: The dermis (the layer below the epidermis) is surrounded by very fine vessels that not only deliver nutrients to the skin but also monitor the blood supply within it. When body temperature rises, the fine blood vessels dilate and assist in carrying overly warm blood to the relatively cooler outer layer of the skin, releasing heat. Another mechanism for cooling the body is sweating: the human skin has numerous small openings called pores. These pores extend to the lowermost layer of the skin, where sweat glands are located. These glands release fluid (obtained from the blood) through pores as sweat. Sweat uses body heat to evaporate, thereby reducing body temperature.
Skin retains heat within the body in cold weather: In cold weather, the activity of sweat glands slows down, and the fine blood vessels constrict. This reduces blood circulation beneath the skin, preventing heat from escaping the body.
All of the above portrayals show that the skin is a perfect organ, specially created to facilitate our lives. It protects us, acts as a cooler and heater, and aids movement due to its flexibility. And beyond all, skin is a remarkable beauty to behold.
We might have had thick and rough skin. We could have had inelastic skin, which would crack when we gained weight. We could have had skin that caused us to faint from heat in the summer or freeze in the winter. However, Allah, who created us, has covered our bodies with incredible care and beauty.
The Heart
The heart is the most vital component of the circulatory system, connecting 100 trillion cells in the human body one by one. The heart has four chambers that pump oxygenated (clean) blood and deoxygenated (carbon dioxide-rich) blood to various parts of the body without mixing. Its valves serve as guards. The heart relies on a delicate balance.
Our heart, which never ceases to beat as long as we live, is one of the most evident proofs of Allah's creation.
The heart starts beating while the baby is in the womb and will work ceaselessly throughout life, with a rhythm of 70-100 beats per minute. The heart rests only for half a second between each beat, and it beats about 10,000 times a day. When considering the human lifespan, we get an unimaginable figure.
All structures of the heart, with its incredibly complex sequence of actions, are specially designed. Within the heart, every detail has been considered: clean and dirty blood never mix, regulating body pressure, the work required to deliver nutrients to the entire body, and systems that pump only the necessary amount of blood. The heart is designed to meet all these requirements.
Within the heart, a wonder of design, is a highly complex system that could not have formed by chance. All of these capabilities present us with their Designer, Allah, the Sustainer of the entire universe, who creates without flaw and without precedent.
Some features of the heart include:
The heart is located in a highly protected position within the body: The heart, one of the most important organs, is specifically designed to be placed inside the chest cavity, shielded from the outside.
Clean blood does not mix with dirty blood: Inside the heart, clean and dirty blood always move. A specialized network divides the heart into four different chambers. The upper parts consist of the right and left atria, which are filling chambers. The atria pump blood to the ventricles below them. Thanks to careful arrangements, clean and dirty blood never mix.
The heart regulates blood pressure to prevent harm to the body's organs: The heart functions not as a single pump but as two adjacent pumps, each with its own chambers. This separation also divides the circulatory system into two. The right side of the heart sends low-pressure blood to the lungs, while the left side pumps high-pressure blood to the entire body. This pressure regulation is crucial because if the blood pumped to the lungs had the same pressure as the blood sent to the entire body, the lungs could rupture due to an inability to withstand the pressure. The perfect balance in the heart prevents problems like this from occurring in the lungs, as the heart has been flawlessly designed.
The heart serves as a means of transportation for several substances needed by the body's organs: Clean blood from the heart is transported to tissues through the aorta. This oxygen-rich blood is distributed to all cells through blood vessels. While circulating in capillaries, blood not only delivers oxygen but also other substances such as hormones, nutrients, and various other types to the tissues.
The heart has valves that regulate the direction of blood flow and work in perfect harmony: Inside the heart, there are valves in each chamber that prevent blood from flowing in the opposite direction. The valves between the chambers and ventricles are made of fibrous tissue and attached by very thin muscles. If one of these muscles doesn't function properly, excess blood may leak into the atria. This can lead to heart disease and even death. Such conditions are only found in people who have a disease.
The heart pumps the required amount of blood, adapting to changing conditions: The amount of blood pumped by the heart changes according to the body's needs. Under normal conditions, the heart beats 70 times per minute. When the body exercises and muscles require more oxygen, the heart increases blood pumping to about 180 times per minute. What would happen if the heart didn't function like this? If the heart worked at its normal pumping rate when the body needed more energy, the balance would be disrupted, and the body could be injured. However, this doesn't happen because the structure of the heart is incredibly perfect. Without humans controlling it, the heart already regulates the amount of blood it pumps.
Although not controlled by humans, the heart functions as it should: The amount of blood pumped by the heart is controlled by a specialized nervous system. Whether we are asleep or awake, our nervous system naturally regulates the amount of blood pumped and the pumping rate. The heart's structure that dictates when, where, and how blood is needed is truly flawless. Since the heart cannot possibly form its own system and since this perfect system cannot form by chance, this shows that the heart was created.
Allah, who possesses unlimited knowledge, designed it perfectly.
The heart works with a special electrical system: The muscle that causes the heart to beat (known as the cardiac muscle) is different from other muscles in the body. Regular muscle cells contract when stimulated by the nervous system, whereas the cardiac muscle contracts on its own. Cardiac muscle cells can initiate and spread electric currents on their own. While each cell has this ability, none contracts on its own and defies the orders of the controlling system. In other words, these cells never cause disruptions that interfere with the heart's function. When some cells contract, others rest. The cells that form this chain act together according to each command given by the system. Once again, a perfect harmony is taking place.
As seen in its characteristics, the structure of the heart displays the perfection of its design, implying that it was created and necessitating the existence of the Creator. This leads us to Allah, the Sustainer of the world and all its contents, the Unseen One who reveals Himself to us through everything He has created.
Our hands (human hands), which have the ability to perform everyday activities like stirring a cup of tea, opening a newspaper, or writing, have been designed in such a perfect manner.
The most important feature of the hand is its ability to efficiently perform various activities. Equipped with numerous muscles and nerves, the hand assists us in holding objects tightly or loosely depending on the situation. For example, a human hand clenched into a fist can deliver a punch with a force of up to 45 kg. On the other hand, our hand can also sense the thickness of a piece of paper as thin as one-tenth of a millimeter through the thumb and index finger.
Clearly, these two actions are very different in nature. One requires sensitivity, while the other requires great strength. Yet, we never have to think for a second about what we need to do when picking up a piece of paper with our fingers or punching with our fist. We also don't have to think about how to adjust the strength of our hand for these two actions. We never say, "Now I'm going to pick up a piece of paper. I will apply a force of 500 g. Now I will lift a bucket of water. I will apply a force of 40 kg." We never bother thinking about it.
The reason is that the human hand is designed to perform all of these actions simultaneously. The hand was created together with all of its functions and all its related structures.
All fingers of the hand have an appropriate length, position, and proportion. For instance, the strength of a fist formed by a hand with a normal thumb is greater than the strength of a fist formed by a hand with a short thumb. This is because, with an appropriate length, the thumb can cover the other fingers and help increase strength by supporting the other fingers.
There are many small details in the structure of the hand. For example, the hand has smaller structures alongside muscles and nerves. The nails at the tips of the fingers are not insignificant decorations. When picking up a needle from the floor, we use both the nails and fingers. The rough surface at the tips of the fingers and the nails help us pick up small objects. Nails play a very important role in regulating the small pressure applied by the fingers to the objects they hold.
Another special feature of the hand is that it never gets tired.
The medical and scientific world has struggled to create artificial hands. So far, the robotic hands produced have the same strength as a human hand, but they lack the sensitivity of touch, the perfection of motion, and the ability to perform various tasks. Many experts agree that we cannot create a robotic hand that fully functions like a human hand. Engineer Hans J. Schneebeli, who designed a robotic hand known as the "Karlsruhe Hand," stated that the longer he worked on the robotic hand, the more he admired the human hand. He added that it will still take a long time until we can create a robotic hand that can perform even a small fraction of the tasks a human hand can do.
Usually, the human hand works in coordination with the eyes. Signals that reach the eyes are transmitted to the brain, and the hand moves according to the brain's commands. Of course, this process happens in a very short time and requires no special effort. On the other hand, a robotic hand cannot rely on sight and touch. Different commands are required for each movement. Additionally, a robotic hand cannot perform a variety of functions. For instance, a robotic hand designed to play the piano cannot hold a hammer, and a robotic hand designed to hold a hammer cannot hold an egg without breaking it. Some of the latest robotic hands can only perform 2-3 simultaneous movements, but this is still very primitive compared to the capabilities of a human hand.
When you think about both hands working together harmoniously, the perfection of these hands becomes even clearer.
Allah designed the hand as a special organ for humans. With all its aspects, the human hand displays the perfection and unique artistry of Allah's creation.
Conclusion These remarkable mechanisms within the human body generally function without the knowledge or consciousness of humans. Heartbeats, liver functions, and skin rejuvenation all occur beyond our direct awareness. The same applies to hundreds of other human organs not discussed here, such as the unnoticed kidney filtration, stomach digestion, intestinal movements, or the flawless functioning of the lungs in aiding our breathing.
Humans only truly realize the value of their bodies when they fall ill and their bodily organs fail to function properly. So, how do these perfect mechanisms exist within the human body? This question is not too difficult to answer for believers who possess the understanding and the sensation that their bodies have been "created."
The statements of evolutionary experts claiming that the body is formed by coincidence are quite amusing, as they assert that a number of chance events could shape an organism. However, the human body can only function if all its organs are intact. A human without kidneys, a heart, or intestines cannot survive. Even if these organs exist, a human cannot endure if these organs do not function properly.
Therefore, it is certain that the human body must be formed as a whole in order to survive and continue the existence of its generations. The fact that the human body is "formed simultaneously and perfectly" implies that humans have been "created."
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