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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).