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Author Question: Preventive maintenance requires the least maintenance effort. Indicate whether the statement is ... (Read 41 times) |
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
The average adult has about 21 square feet of skin.
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.