The blood vessels shrink so that less blood with leak out of the wound, platelets ( tiny cells in the blood) stick together around the wound which stop the bleeding (like patching a leak). The blood proteins and platelets join together and form a clot, the clot acts like a mesh to stop the bleeding.
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When using drugs,a person can become addicted.
Smokeing is very bad for a childs lungs. Side smoking kill mank children every year. The risk of cancer is less for the child
