Page 128 - The World of Animals

The whale is also a very skilful diver. Allah has created a body for
it that is very resistant to the great pressure in the depths of the
126
ocean. The oxygen circulating in the blood and muscles combines

with chemical substances that nourish it underwater or at times it

does not breath. It has a circulatory system peculiar to it: it can send
blood directly from the internal organs to the brain. This way, until
the whale rises to the surface to breathe, it can send the oxygen in its

body directly to the brain, the organ that needs oxygen most.

This magnificent system that amazes scientists is a manifestation of
Allah's artistry. In this way, the whale can remain under the sea for
more than 15 to 20 minutes without breathing.

Moreover, unlike human beings, whales aren't crippled by the

bends when they rise very quickly to the surface.
You will probably ask what the bends are. The bends are a sickness
that is caused after a rapid reduction in the surrounding pressure.

When divers want to dive very deep underwater, they stop at certain