On average, there's 100 billion neurons in the human brain.
83
The human eye blinks an average of 4,200,000 times a year.
233
Babies crawl an average of 200m a day.
212
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The human body contains over a billion miles of DNA.
147
Your thumb is about the same size as your nose.
124
Enamel is hardest substance in the human body.
61