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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.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.