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Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.