Page 230 - The Miracle of the Blood and Heart
P. 230
THE MIRACLE OF THE
BLOOD AND HEART
VEIN
Inner layer
Endothelium
One-way venous valves
Middle layer
Smooth muscle
and elastic tissue
Valve
Outer layer
(elastic and col-
lagen fibers)
Lumen
As a requirement of the work the veins perform in our bodies, they possess a differ-
ent structure. Valves in the veins can open and close as deoxygenated blood is car-
ried back to the heart. Thanks to them, blood is prevented from flowing backwards
and always forwarded to the heart.
How do the veins know that they need to possess such valves? This example once
again shows us the superior knowledge and creation of our Lord, Who created us so
perfectly.
The concept of balances within the body may be unfamil-
iar to most people, because they spend their lives with no
great difficulties. Yet there are innumerable balances in the
body that need to be maintained and should never be
impaired in any way. The blood's circulation is just one exam-
ple. Many factors might have a negative effect on this equilib-
rium, but the system for keeping this balance is so incompara-
ble that the amount of blood leaving the heart and the blood
returning to it are always the same.
If this balance is disrupted, blood sent out to the
extremities cannot return, but will accumulate in var-
Harun
Yahya
228