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this artery is almost intirely blocked by plaque, a mixture of fatty substances that sticks to the artery wall. Eating a healthy diet reduces the incidence of plaque.
your bodies 3 lines of defense
1) physical &chemical barriers- skin,tears,saliva,earwax, mucas 2)processes that kick in should harmfulagents enter- like getting cut/inflammation/phagocytes 3) immune system
cells that surround and consume harmful disease agents that invade ur body/ one type of white blood cell
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