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Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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?
There are 20 feet of blood vessels in each square inch of human skin.