Human Facts, Part 2

Fidgeting can burn about 350 calories a day.

Wearing headphones for an hour increases the bacteria in your ear 700 times.

A baby is born without kneecaps. They appear between age 2 and 6.

Women blink nearly twice as much as men.

In a recent survey, Americans revealed that banana was their favorite smell.

The arteries and veins surrounding the brain stem called the "circle of Willis" looks like a stick person with a large head.

Brushing your teeth regularly has been shown to prevent heart disease.

A kiss stimulates 29 muscles and chemicals causing relaxation. Women seem to like it light and frequent, men like it more strenuous.

Men can read smaller print than women; women can hear better.

Your nose and ears never stop growing.

Men get hiccups more often than women.

Human teeth are almost as hard as rocks.

Every time you lick a stamp, you're consuming 1/10 of a calorie.

The average person has over 1,460 dreams a year.

Human thigh bones are stronger than concrete.

Your heart beats over 100,000 times a day.

Your ribs move about 5 million times a year, every time you breathe.

One quarter of the bones in your body are in your feet.

Like fingerprints, everyone's tongue print is different.

Fingernails grow nearly 4 times faster than toenails.

The average person laughs 15 times a day.