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The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.
![A subdural hematoma. A meningeal vein is ruptured and blood has accumulated in the subdural space, p](https://biology-forums.com/gallery/47/medium_14755_27_08_12_4_57_13_822621.jpeg)
![Space-filling model of an actin filament (shades of red) with one myosin head (gray and two shades o](https://biology-forums.com/gallery/47/medium_9828_12_01_13_11_13_18.jpeg)