Page 131 - Design in Nature

Blood: Life-giving Fluid 129

Red blood
cells Plasma Epidermis
Platelets Skin

White Blood
blood cells vessel Dermis

heat that is distributed all over the body, the
perspiration system is activated. In addition,
blood vessels enlarge under the skin, enabling Fibrin threads
excess heat in the blood to be transmitted to
the outside air. This is why when we run or do
other high-energy activities, our faces become
red. Blood circulation is as responsible in Cornified layer (scab)
preservation of the body heat as in cooling. In
colder temperatures, the blood vessels under
our skin shrink, which serves to reduce the
amount of blood in the area where heat escape
The Blood Clotting
is most probable and hence to keep cooling to Mechanism: When a wound
a minimum. The reason for a person's face starts bleeding on our bodies,
an enzyme called
turning white when cold is the precaution that thromboplastin that is
the body automatically takes. 42 released from damaged tissue
cells combines with the
Everything taking place in the blood is calcium and prothrombin in
extremely complicated and intertwined. the blood. As a result of the
chemical reaction, the
Everything has been created flawlessly down resulting mesh of threads form
to the smallest detail. In fact, there is such a a protective layer, which
solidifies eventually. The top
wonderfully intricate balance in the layer of cells eventually die,
bloodstream that the smallest breakdown becoming cornified, so
forming the scab. Underneath
could potentially cause very serious the scab, or protective layer,
complications. Blood has been created with all new cells are being formed.
When damaged cells are
its necessary properties by the One Creator in completely replaced, the scab
a moment. This Creator, the owner of superior drops off.
knowledge and power, is Allah:
Your god is Allah alone, there is no god but Him. He encompasses all things
in His knowledge. (Surah Ta Ha:98)