[Mystery of God's Creation] Wonderful Mysteries of the Human Body
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September 12, 2010 |
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 A psalmist confessed in Psalm 139:14, "I will give thanks to You, for I am fearfully and wonderfully made; Wonderful are Your works, and my soul knows it very well." When it is surveyed here just how wonderfully and mysteriously God made a human body, it is expected that you should be able to give your heartfelt thanks to God the Creator and lead a blessed life in the faith in Him.
It is said that a car consists of about 13,000 parts, and that about 3,000,000 parts are necessary to assemble a Boeing 747. They say that about 5 million parts are required to build a space shuttle. How many parts do you think constitute a human body? At the creation of a human being, God had all information about such a creature, and designed every part of it. How wonderful and mysterious is a human body God created according to His design?
- A Human Has Sixty Trillion Cells and 206 Bones
- Bones that Are Renewed Every 7 Years and Skin
A man's body consists of more than 60 trillion cells. An adult has 206 bones. The human bone is stronger than granite. A bone the size of a small match box is capable of supporting 10 tons, and is stronger than concrete. The bone structure constantly changes so that the entire skeletal system of the human body renews every 7 years.
The surface area of the skin for the average male is 1.9 square meters, and it is 1.6 square meters for a female. The skin constantly peels off and renews; it is completely renewed every 4 weeks. It is as though we put on a new natural water resistant suit of skin every month. The entire skin we peel off during our whole life weighs 48kg and we put on new skin 1,000 times in our lifetime.
- The Total Length of the Blood Vessels Could Circle the Earth 3 Times
- Blood Travels around the Whole Body in 46 Seconds
The total length of the circulatory system of the blood vessels is about 120,000 kilometers. This length could circle around the earth 3 times. Now, 4.7 liters of blood passes through our heart every minute. If we think about the size of a 2-liter water bottle we can realize how quickly the heart is pumping the blood.
The blood that is pumped from the heart travels throughout our body and returns to the heart in approximately 46 seconds. And the amount of the blood of a man is proportional to his body weight. There are about 80 milliliters per 1 kilogram of body weight; if a man weighs 60 kilograms, he may have 4.8 liters of blood. The main constituent of blood is the erythrocyte (red blood cell) that is produced in bone marrow at the rate of 20,000 per second.
- The Whole Area of All the Alveoli is One-fourth the Size of a Basketball Court
- The Whole Passage Way of the Digestive Tract from Beginning to End Is 8.5 Meters Long
Each lung has about 3~500 million alveoli, which, if stretched out, would be able to cover between 70 and 100 square meters. This is an area that is about one-fourth the size of a basketball court. Such huge things are folded so intricately inside our body.
Let's take a look the digestive tract. Beginning in the mouth it is about 8.5 meters from one end to the other. The large intestine is 1.5 meters long. The small intestine is 6 meters long which is the longest part of the digestive tract. A human can survive even if he loses half of his stomach, or with just one kidney or one lung.
 
- The Gastric Acid from the Stomach Can Dissolve Zinc
- Epithelial Layer Called the 'Mucous Membrane' Prevent Damage
The gastric acid which is secreted by our stomach has such a high level of acidity that it can dissolve zinc. If our stomach secreted only this gastric acid, the stomach walls will be severely damaged. However, our stomach has an epithelial layer called the 'mucous membrane' which produces mucus to prevent damage.
In addition, an alkaline secretion is produced that neutralizes the gastric acid and prevents the walls from being dissolved. At the same time, the cells of the stomach walls are continually replaced with new cells. The cells of the wall are renewed every 3 days.
 - The Blink of the Eyes Happens 900 Times an Hour
- Two Nostrils Take Turns Every 3 or 4 Hours
How fast is a "blink the eye"? It takes 1/40 of a second. On an average, a man blinks his eyes 15 times a minute, or about 900 times an hour. The blinking of the eye protects the eye, and soothes and lubricates the cornea. Every 3 or 4 hours, the two nostrils take turns doing their job. As the nostrils breathe in air, one nostril detects odors while the other just passes the air. On the tongue of a man, there are about 9,000 taste buds which can detect tastes.
Inside an ear, there is an eardrum which can receive the vibrations of sound waves. In the eardrum it smells very bad. This is to prevent any tiny insects or worms from hurting the interior of the ear if it enters into the ear.
God Guards His People as the Pupil of His Eye
God's True Children Guard His Teaching as the Apple of Their Eye
Deuteronomy 32:10 says that God "guards His people as the pupil of His eye." David prayed in Psalm 17:8 that God may 'keep him as the apple of the eye.' God protects the children of faith just as the eyelid protects the pupil by quickly coming down when dust enters into the eye. Even in a very urgent and dangerous situation like a fatal car accident, for example, God works very quickly through angels.
Those who have experienced it already know how quickly God works and protects them. It tells us to keep the commandments of God as though it was the apple of our eye.
Now, Proverbs 7:2 says, "Keep my commandments and you will live, and guard my teaching as the apple of your eye." When something we think may be unrighteous approaches, we should quickly turn back. When the deceiving things of the world come near us like particles of dust, we should quickly bring down the eyelids of our heart so that they cannot get into our heart. By doing this, we should always live in the Word of God so that the things of the world cannot sneak into us for a minute, a second, or not even 1/40 of a second.
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