Page 60 - Miracles in Our Bodies

Blood moves through red blood cell
platelet
a closed circuit of veins

and leaks out in case of

even a slight cut.
However, it is of great im- damaged
skin
portance for our health to

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stop its flow. You may B Blood leaks through the wound. .
have heard of people who
die of excessive blood loss
in accidents or opera-
tions. Well then, what
causes blood to stop flow-
ing a little while after a
wound starts to bleed? B Blood surrounding the wound coagulates.
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This is called blood
clotting, which is one of
the automatic security
systems in our bodies.
Some substances existing
in the blood stop and blood clot
close the wound. Thanks C Cells close up the wound like a plug. .
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to the clotting ability of A A cut on your hand or a wound on your knee
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h heals in a short time. The pictures above
blood, excessive bleeding

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s show some of what happens in your blood

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is prevented. As shown in v vessels during this healing process.
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