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Did you know?
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Did you know?
Your heart beats over 36 million times a year.