Most elephants weigh less than a blue whale's tongue.
442
The cat brain weighs about 30g.
167
A hummingbird weighs less than a penny.
1k
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 average person's skin weighs twice as much as their brain.
131
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
Sex burns about 360 calories per hour.
860
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99