It takes about 20 seconds for a red blood cell to circle the whole body.
102
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The average sperm cell swims at 8 inches per hour.
76
The human brain has the capacity to store everything that you experience.
4k
Your heart will pump about 212 million liters in its lifetime.
26
Yawns are more contagious among people with closer relationships.
163
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Every year your body replaces 98% of your atoms.
119