There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
Herpes simplex 2 rapid test.
Rinne test. Air conduction
Swot analysis
Table - Correlation Analysis
The treasurer of a union proposes changing the method of compounding interest on premium ...