One human hair can support 3 ounces.
191
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The average person's skin weighs twice as much as their brain.
131
Chewing gum boosts your brain power.
285
When you take a step, you are using up to 200 muscles.
886
The average sperm cell swims at 8 inches per hour.
76