Page 144 - The Miracle of the Blood and Heart
P. 144

THE MIRACLE OF THE
                                      BLOOD AND HEART


                   make the blocking brought about by the thrombocytes even
                   more powerful. 59  Their duties do not come to an end with the
                   initial clotting they set up.  After the clot has formed com-
                   pletely, they continue their duties in different ways. This will
                   be examined in more detail in the chapter on Blood Coagulation.
                       As the thrombocytes continue with this work, the body
                   also takes a number of precautionary measures. Inside it, flat
                   muscles in the walls of the damaged veins begin to contract, to
                   reduce blood pressure and the amount of blood flowing to the
                   region where the wound occurred. Thus while the thrombo-
                   cytes are doing their jobs, any excess blood that might impair
                   the clotting process is prevented from heading to the region,
                   and the body will not lose too much blood.
                       These most rational measures are taken in even the small-
                   est scratch in every vein in your body.  You are probably
                   unaware of this, however, and may pay no attention to any
                   small scratch on your hand. Yet at that very moment, a great
                   deal of activity is going on in that region.  You do nothing
                   about that tiny scratch, and you do not need to try and
                   staunch the blood leaking from it. Indeed, you could not stop
                   that flow even if you wanted to. Yet your cells with their per-
                   fect organization, charged with clotting the blood, take all the
                   necessary precautions for you.
                       While all this is taking place, one danger arises that you
                   may never have thought about. While thrombocytes adhere to
                   one another and close up the wound, there's also the possibil-
                   ity of this clotting being carried outside the region in question
                        and blocking a nearby vein just a millimeter or two in
                           diameter. It is essential that this danger be averted at
                             the wound site. Naturally, in this perfect system a
               Harun
               Yahya



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