When your face blushes, the lining of your stomach turns red, too.
154
The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
On average, there's 100 billion neurons in the human brain.
83
Each nostril of a human being register smell in a different way. Smells that are made from the right nostril are more pleasant than the left.
38
The human brain is insensitive to pain.
76
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130