|
|
In 1864, the first barbiturate (barbituric acid) was synthesized.
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).
Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
![Effective listening skills demonstrate empathy to the patient and break down barriers to communicati](https://biology-forums.com/gallery/47/medium_380792_21_05_16_2_07_16_235551577.jpeg)
![Teaching women about the safety of drug use during pregnancy is an essential component of nursing ...](https://biology-forums.com/gallery/28/medium_482573_26_04_17_11_44_17_283871337.jpeg)