“Verily, We have created man in the best stature. Then, We will reduce him to the lowest of the low.” (Surat At-Tin 95: 4-5).
When you go to a butcher, the meat you buy contains muscles. Allah has created muscles of millions of fibers each of which ends in a nerve.
Whenever orders come to these fibers from the nervous system, they contract and become 60% shorter than they usually are. In other words, a muscle fiber whose ordinary length is 10 cm becomes only 4 cm long when it contracts.
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Contraction of bone-connected muscles causes the bones to move. In fact, without this property of contraction of muscles, man would be like a motionless log lying on the ground.
The volitional movement of muscles, movement of limbs, and movement of your head and hands …etc, depend on the bone system aka skeleton. Each bone of which connects with a couple of muscles that move it easily and smoothly in different directions.
What is this Secret?
So far, no one knows how food energy that exists in the cells of muscles converts into work or movement, i.e. mechanical energy! This miraculous phenomenon is still very much of a mystery!
We can sum up the complex matter as follows; a muscle, which ends in a nerve, receives an order from the nervous system to contract. When it contracts, it makes a certain bone move.
This is simply how we move. You might be sitting in the living room, for example, and suddenly you notice that your little son is going directly towards the stove, so you jump forward to hold him back.
This means that in a single instant, you conceive danger and, therefore, an order goes, quite suddenly and quickly, from your brain to the muscles, which, in turn move and help you jump to him and take him away from danger.
This is an amazingly complicated process that depends on neural, chemical, and physical functions that all occur within a portion of a second.Pages: 1 2