|
|
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
Did you know?
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Did you know?
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
![Pneumothorax. Figure illustrates how puncture of thoracic wall and tearing of pleural membrane allow](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_14_27_84922380.jpeg)
![Defibrillator. Defibrillators are devices that supply a voltage charge to the heart in the hope of r](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_15_46_100301985.jpeg)