It could be that conditions or disease's in your enviorment make you more susceptible because you are constantly in that enviorment so it makes you more of a target to new disease's that may occour
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I am one of those kids be home with no one
Washing your hands at all times and remember to drink enough water as well.
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Arteries carry blood away from the heart. Pulmonary arteries transport blood that has a low oxygen content from the right ventricle to the lungs.