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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
There are approximately 3 million unintended pregnancies in the United States each 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 strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
Did you know?
There are 60,000 miles of blood vessels in every adult human.