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Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Your heart beats over 36 million times a year.
Did you know?
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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?
There are more bacteria in your mouth than there are people in the world.