Most elephants weigh less than a blue whale's tongue.
442
The cat brain weighs about 30g.
167
Fidgeting can burn about 350 calories a day.
201
The average person's skin weighs twice as much as their brain.
131
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
The elephant brain weighs about 6,000g.
274
By weight, Bone is five times stronger than steel.
417