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Author Question: Carla is a dental hygienist. As she cleans a patient's teeth, she completes a checklist of ... (Read 61 times) |
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
If you could remove all of your skin, it would weigh up to 5 pounds.
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).