Page 142 - The Miraculous Machine that Works for an Entire Lifetime: Enzyme
P. 142
Harun Yahya
The Perfect Enzyme Chain in Blood Clotting
The blood-clotting system is an extraordinary phenomenon that
operates so flawlessly that when you cut yourself, you can be sure that
the flow of blood will soon stop and the injury will seal itself up. That
certainty stems from the way the enzymes in your body work in a flaw-
less, systematic manner.
A wound sends the entire body into alarm. The intervention will
take place at the site of the cut. When bleeding starts anywhere in the
body, all available means are mobilized and flow in the direction of the
injury. At this point, certain molecules traveling through the blood-
stream suddenly become active, at enormous speed.
First aid is delivered by blood platelets known as thrombocytes.
These travel dispersed throughout the bloodstream, so that wherever
bleeding may occur, a thrombocyte will always be patrolling nearby.
A protein known as von Willebrand factor works like a policeman
calling for backup assistance by indicating the site of an accident. It
halts thrombocytes when it detects them and ensures that they remain
at the site. The first thrombocyte to arrive signals others by releasing a
special substance, just as if it were summoning assistance over the ra-
dio.
Once the first intervention has occurred, enzymes take over the
work. Up to this point, in fact, a large number of enzymes have already
become involved, but we shall concentrate on those that complete the
coagulation process. The body always stores inactive enzymes for later
use, coding them to go into action only when they receive the signal
that their presence is required.
Fibrinogen is a non-active enzyme that travels freely through the
body and is found dissolved in blood plasma. It circulates at random
until the body suffers a cut anywhere, and then it suddenly goes into
action. This protein that serves no function in the plasma heads to-
wards the region of the injury. When a state of alarm develops, anoth-
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