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Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
Did you know?
Medication errors are more common among seriously ill patients than with those with minor conditions.
Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.