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Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Did you know?
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Did you know?
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
![The continents were not always in their present positions. The position of the continents is importa](https://biology-forums.com/gallery/47/medium_274477_04_02_15_12_24_34_205791994.jpeg)
![Animal carcasses like this South African wildebeest provide important nutrition for both hunters and](https://biology-forums.com/gallery/47/medium_275510_22_02_15_6_06_46_2077821.jpeg)