The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
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
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
199
The human brain doesn't stop developing until about 25 years old.
102
Your thumb is about the same size as your nose.
124
The average sperm cell swims at 8 inches per hour.
76
There's 100 trillion good bacteria living in your body.
17