|
|
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
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?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.