After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Your heart will pump about 212 million liters in its lifetime.
26
The human brain doesn't stop developing until about 25 years old.
102
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
There's 100 trillion good bacteria living in your body.
17
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
