Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Every year your body replaces 98% of your atoms.
119
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
Your thumb is about the same size as your nose.
124
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
Your body is creating and killing about 2.4 million red blood cells per second.
17
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13