Page 152 - If Darwin Had Known about DNA

Harun Yahya

150

Cells differentiate the more they divide, assuming new duties and heading to wherev-
er they need to be in the body. Instead of forming a mass of flesh all consisting of ex-
actly the same cells, eye cells develop just where they need to be. Others
inside the rib cage will constitute the heart, and skin cells, for ex-
ample, cover the entire body.

Neck
bending
5 th
week The end of
the embryo
The formation stage
of finger pro-
trusions The forma-
tion of bent
6 th arms and
week hands
7 th
The development of organs and week 8 th
week
organ systems in the embryo
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C
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T The Miracle in Cell l
t
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f
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D Differentiation
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f
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The way cells produce a variety of differ-
ent proteins and develop different organs in a
programmed manner, is referred to in
medical language as differentiation
or morphogenesis. Cells become differ-
entiated as they divide, assuming different
tasks and going to those regions in the body
where they are needed. It is not a mere col-
lection of tissue that grows from identical
cells. Some cells go where they must in or-
der to become eye cells, some enter the
chest cavity and make up the heart, and others cover the entire body in
the form of skin. All cells multiply to an extent required by the partic-
ular tissue they are to comprise, and begin forming organs by combin-
ing with one another to construct the requisite structures.