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Did you know?
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Did you know?
Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
Did you know?
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
Did you know?
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Did you know?
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
![Variation in climatic conditions result in geographic variation in the distribution of biome types a](https://biology-forums.com/gallery/47/medium_33_27_08_11_11_56_24_15442181.jpeg)
![Typical slip-joint pliers are common household pliers. The slip joint allows the jaws to be opened ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_40_12_29438683.png)