Clotting stops bleeding

WHEN blood is exposed to air it begins to clot, thus plugging the wound from which it has come. White blood cells begin to gather around the wound to kill any nasty germs that could cause infection. The clotted blood makes a scab and new skin cells begin to grow underneath the scab. -

WHEN blood is exposed to air it begins to clot, thus plugging the wound from which it has come. White blood cells begin to gather around the wound to kill any nasty germs that could cause infection. The clotted blood makes a scab and new skin cells begin to grow underneath the scab. -

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