Page 86 - The Miracle of the Blood and Heart

THE MIRACLE OF THE
BLOOD AND HEART

These cells are soldier cells, identifying and waging war
on all kinds of foreign bodies that enter the body. Some fight
germs directly, while others stimulate the immune system by
recognizing foreign molecules and microbes.
White blood cells are produced in the bone marrow at a
production rate of 1.2 million a second. That amount adds up
to fully half a ton of white blood cells during a person's life-
time. 39 The bone marrow serves just like a shelter or ware-
house for the white blood cells.
There is also a quantity of leukocytes standing ready in the
blood. For them the circulatory system is a matchless means of
transport through which they can reach every corner of the
body. Microbes entering through the bloodstream are
destroyed all along its course, and those that enter the tissues
are eliminated wherever the white blood cells can reach.
It takes around 10 seconds for a white blood cell to leave
the heart, reach the head and return; and roughly one minute
to reach the big toe, the furthest point in the body, and return
to the heart. A single leukocyte will travel through the body
more than 1,000 times a day. 40 Despite having a nucleus, a
leukocyte—which is a colorless and not strictly "white" cell—
loses its ability to divide after entering the bloodstream. Its
objective now is not to divide and reproduce, but to wage war.
After entering the bloodstream, the leukocytes' lifespan is
from 3 to 4 hours in the blood, and 3 to 4 days in tissues. 41
These warriors, created by God to protect the body, eliminate
the relevant danger in that space of time.
In cases of severe infection, the leukocytes' lifespan falls to
just an hour or two. That is because these cells head
towards those regions of the body that are under
Harun
Yahya

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