|
|
Did you know?
The average adult has about 21 square feet of skin.
Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.
Did you know?
The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.