An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
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There are about 1,400 different species of bacteria in your belly button.
10
The average human body contains enough iron to make a small nail.
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A person infected with the SARS virus, has a 95-98% chance of recovery.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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A new parent will lose about 1055.6 hours of sleep in the first year of their child's life - almost 44 days!
6
About 400 different kinds of microbes live on and in the human body.
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The smallest human penis ever recorded was just 5/8 of an inch long!
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