Your heart will pump about 212 million liters in its lifetime.
26
The brain receives 20% of the body’s oxygen and 25% of total body glucose utilization, despite it accounting for only 2% of a person’s weight (about 1.4 kilograms).
8
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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The human brain doesn't stop developing until about 25 years old.
102
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515