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Did you know?
Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
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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.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
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![During World War I, advancing armies unloosed ferocious artillery barrages to destroy deeply entrenc](https://biology-forums.com/gallery/47/medium_4_23_06_16_8_40_59_235972013.jpeg)