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Author Question: Pools of blood are not reliable to use in reconstruction or in determining the amount of time that ... (Read 16 times) |
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.