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Musculoskeletal System - A Body in Movement

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Two hundred and six bones in the human body have a direct and interdependent link with a variety of muscle groups.
This partnership results in voluntary movement within the body.
The brain works with the muscles to cause movement in a very precise manner.
Our every movement is made possible through the workings of the musculoskeletal system.
Strips of muscles cover the various bones within the human body and a pulling motion within the muscles allow them to perform thousands of tasks from walking to grasping, lifting to bending.
Muscles allow our fingers to move, help us grasp a box, push a stalled car or turn the page of a favorite book.
There are muscles within the human body that are involuntary muscles.
These are muscles that keep the heart pumping, provide control of bladder function and allow our eyes to retain moisture through blinking.
However, without muscles the skeletal frame each of us possesses would useless.
Ligaments and cartilage are used to draw bones together and provide a means of keeping the bones and joints functioning properly.
Without the cartilage the bones would rub against each other causing significant wearing of the bone.
Many of the body's bones contain marrow.
This substance produces the red blood cells your body needs.
It has been estimated that over 2 and a half million red blood cells are produced by bone marrow every second.
This production count usually produces enough red blood cells to replace any that may be destroyed within the body.
The skeletal system provides the framework upon which all other systems work.
Interestingly many of the bones are situated not simply for the purpose of economy of movement, but as protection for the internal workings of the body.
For instance the rib cage provides valued protection to both the lungs as well as the heart.
The voluntary movement allowed by the brains interaction with the musculoskeletal system can allow something as rigorous as dancing, gymnastics or football to appear as if they are simple.
Spectators can enjoy watching with very little understanding of what stresses and strains may be in force.
Yet, in the end, the body has a wonderful ability to adapt to the forces placed upon it.
The conditioning of every athlete makes it possible for the body to endure such stress.
The combination of the skeletal system with the muscular system makes it possible for an otherwise immovable body mass to move with grace and purpose.
Perhaps the musculoskeletal system looks designed because it is designed.
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