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Author Question: Imagine you're a fourth grade teacher with a new student with a physical disability or health ... (Read 95 times) |
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).