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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?
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Did you know?
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.