The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The human eye blinks an average of 4,200,000 times a year.
233
The average sperm cell swims at 8 inches per hour.
4
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
It takes approximately 12 hours for food to entirely digest.
93