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Author Question: A context diagram is a top-level diagram of a system that depicts the system and all its activities ... (Read 123 times) |
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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There are 60,000 miles of blood vessels in every adult human.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.