Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
When you take a step, you are using up to 200 muscles.
886
Your thumb is about the same size as your nose.
124
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Enamel is hardest substance in the human body.
61
Your heart will pump about 212 million liters in its lifetime.
26