The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The average person's skin weighs twice as much as their brain.
131
If you hold farts in during the day, they'll just come out when you sleep.
16
Your thumb is about the same size as your nose.
124
Within three days of death, the enzymes that once digested your food begin to eat you.
22
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
The human brain doesn't stop developing until about 25 years old.
102