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Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
Did you know?
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

