Page 77 - Miracles in Our Bodies

example, you have to lu-

bricate the pedals or the
chain of your bicycle from

time to time because the

amount of oil is reduced

as they are used, which consequently restricts motion.

Likewise, the joints between your bones are used all the time,

yet you never have to lubricate them. Why is that?

The answer to this question has been sought by scien-
tists, who eventually discovered the following fact: in a joint,

a tough, rubbery tissue called cartilage cushions the ends of

the bones at contact points. There is a thin membrane lining

the entire joint cavity which secretes a special fluid. As the

bone exerts pressure on the joint, this fluid is forced out of the

membrane and the joint becomes "lubricated".

All these facts reveal to us that the human body is the re-

sult of an excellent design and superior creation. It is thanks

to this excellent design that we can make many different
movements easily and quickly. These features of the bones

have been created by our Lord. Allah invites people to reflect

on the creation of bones:

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. ... Look at the bones—how We raise them up and

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c clothe them in flesh... (Surat al-Baqara: 259) )
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