|
|
Did you know?
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.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.
Did you know?
More than 4.4billion prescriptions were dispensed within the United States in 2016.
Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.