Body Facts About Biology

Women have a better sense of smell than men.

Your fingernails grow faster in summer.

On average, a person produces about 1 to 1.5 liters of fart gas per day, distributed over an average of about 14 daily farts.

All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).

Like fingerprints, everyone's tongue print is different.

Your stomach produces a new layer of mucus every few days to protect itself from being digested by its own acid.

If you're typical, you can guess someone's sex with 95% accuracy just by smelling their breath.

Women blink nearly twice as much as men.

Your skin is actually an organ.

The male fetus is capable of attaining an erection during the last trimester.

You mostly breathe from only one nostril at a time!

Babies are born without knee caps.

Your heart rate can rise as much as 30% during a yawn.

Like fingerprints, everyone's tongue print is different!

A hard working adult sweats up to 4 gallons per day.

If you were to roll a lung from a human body and out flat it would be the size of a tennis court.

Fingernails grow nearly 4 times faster than toenails!

The average tastebud lives only 10 days before it dies and is replaced by a new one.

Your body is creating and killing about 2.4 million red blood cells per second.

Hundreds of different species of microbes live on and in the human body, with the gut alone hosting over 1,000 bacterial species.