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10 interesting organ system facts
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10 interesting organ system facts

The human body is a marvel on its own. Just the process of breathing involves so many processes in the background that the overall synchronous performance makes one really incredulous. The entirety of the human machine is beautiful and amazing in its own way. Each system works exclusively with each other and in turn, they come together to become inclusive to the large and complex human anatomy. This subject of anatomy is so vast and deep; it keeps discovering and rediscovering itself. Here are some interesting facts about the organ systems that may have eluded you.




1 : Exchange of air in your lungs
One fact that might come as a surprise to you is the surface area of the lung. It is approximately equivalent to the area of a tennis court. The large surface area is so that increased efficiency can be achieved to oxygenate the blood. The exchange of carbon dioxide and oxygen through the capillaries becomes much easier due to this feature of the lungs.
2 : Skin is an organ too
It may not seem so but the skin is an organ. It is estimated that around 12 percent of an average personís weight is contributed by his skin. About twenty square feet can be covered by the skin of any average male human.
3 : Tough in surviving
The human body is tough and self-fulfilling, ready for adverse conditions. Many of our organs can be removed and yet it will survive. These include the spleen, 75% of the liver, stomach, 80% of the intestines, one of the lungs, one of the kidneys, among others.
4 : Skin particles and its numerical analysis
Over six lakh particles of skin are shed by a human being in an hour. A numeric analysis would lead you to the fact that by the time you are 70, you would have shed enough skin to have lost 105 pounds! And you blame the poor dog.




5 : Which is the fastest muscle?
The muscles responsible for blinking the eyelids are the fastest muscles in the body. Not even a hundredth of a second is required for them to contract. Seems like a jiffy and a blink of an eye both are units to define a really small amount of time.
6 : The Skeletal system - Fibrous or bony
An interesting thing about the skeletal system is that more than half the bones in the human body are present in the hands and the feet. There are 27 bones in one hand and 26 bones in one foot. It doesnít take much arithmetic to realize that together the hands and feet have 106 bones which are more than 50 percent.
7 : You were a blue-eyed baby
Would you believe me if I were to tell you that you were once a blue-eyed beauty? At the time of birth, the eyes of a baby appear to be blue. The pigment called melanin makes it appear so as it hasnít fully deposited by then. The shade darkens over time with exposure to UV light to reveal the actual color.
8 : The Animals and its skeletal system
The number of animals with a bony, internal skeleton is actually less than those with external skeletal systems. Over 95 percent of the animals on the planet (clearly a majority) are invertebrates, i.e. they do not have a vertebral column. They have exoskeletons with may be either fibrous or bony.
9 : A woman's unique sense of smell
So, your wife can tell when you sneak out for a puff of a cigarette? Sorry friend but she was born talented. Research shows that women are born with a much better sense of smell than men. Their sense of smell only develops and they are much better at identifying and differentiating between various odors. Another interesting fact is that everybody possesses a unique sense of smell.
10 : Size of Adrenal Glands and the effects
The size of the adrenal glands keeps varying throughout oneís lifetime. These glands, which are responsible for the reactions and behaviors of a human being, keep decreasing in size as his/her age increases. The size at the time of birth is around the same as that of the kidney and during old age theyíre reduced to a size that can hardly be seen.