Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
It takes about 20 seconds for a red blood cell to circle the whole body.
102
The human brain doesn't stop developing until about 25 years old.
102
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
One human hair can support 3 ounces.
191
Your body is creating and killing about 2.4 million red blood cells per second.
17
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
Your thumb is about the same size as your nose.
124