Page 64 - Miracles in Our Bodies

Have you ever thought how litres of blood circulate un-

ceasingly through our body up and down? Every object needs

a motor for continuous motion. Cars, aeroplanes, motorboats

and even your remote-controlled toy cars move by means of

motors. Likewise, blood circulating through our body needs a

motor too. The motor that propels our blood night and day, for

months and even for years is our heart.

Place your fingers on your wrist and wait for a while. You

will feel the beating of your heart. Your heart beats 70 times
in a minute, and pumps some 152 million litres (40 million

gallons) of blood throughout your life. That much blood is an

approximate equivalent of the amount 10,000 oil tankers will

hold. These figures are astonishing,

aren't they? Now suppose that you

have to bail a cup of water from one

bucket to the other, 70 times a minute. In
the end your arm and hand muscles

would ache and you would need to

rest. However, your heart carries out

this task all through out your life and

it never takes any rest.

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