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Author Question: You are assessing a patient in labor. Her contractions are 2 minutes apart lasting 30 seconds with ... (Read 38 times) |
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
In 1864, the first barbiturate (barbituric acid) was synthesized.
There are 60,000 miles of blood vessels in every adult human.
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
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.