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Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
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 human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
The horizontal fraction bar was introduced by the Arabs.