Babies crawl an average of 200m a day.
212
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
The human brain uses approximately as much energy as a 10 watt light bulb.
120
A person can live without food for about a month, but only about a week without water.
156
By weight, Bone is five times stronger than steel.
417
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139