Your thumb is about the same size as your nose.
124
Every year your body replaces 98% of your atoms.
119
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human body contains over a billion miles of DNA.
147
Enamel is hardest substance in the human body.
61
Your heart will pump about 212 million liters in its lifetime.
26
Our Right Lungs takes more air than our left lung.
194