The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Your thumb is about the same size as your nose.
124
Chewing gum boosts your brain power.
285
Poor eyesight (myopia) is associated with higher IQ.
232
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18