Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
Fingernails grow nearly 4 times faster than toenails!
30
Redheads require up to 20% more anesthesia to be knocked out.
112
If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
It takes about 20 seconds for a red blood cell to circle the whole body.
102
The average human body contains enough fat to make seven bars of soap.
45
About 400 different kinds of microbes live on and in the human body.
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