Human body facts

The average human brain has about 100 billion nerve cells.

Nerve impulses to and from the brain travel as fast as 170 miles (274 km) per hour.

Your stomach needs to produce a new layer of mucus every two weeks or it would digest itself.

It takes the interaction of 72 different muscles to produce human speech.

The average life of a taste bud is 10 days.

The average cough comes out of your mouth at 60 miles (96.5 km) per hour.

Relative to size, the strongest muscle in the body is the tongue.

Human thigh bones are stronger than concrete.

When you sneeze, all your bodily functions stop even your heart.

Babies are born without knee caps. They don't appear until the child reaches 2-6 years of age.

Children grow faster in the springtime.

It takes the stomach an hour to break down cow milk.

Our eyes are always the same size from birth, but our nose and ears never stop growing.

The average human blinks their eyes 6,205,000 times each year.

Your skull is made up of 29 different bones.

After you die, your body starts to dry out creating the illusion that your hair and nails are still growing after death.

Hair is made from the same substance as fingernails.

The average surface of the human intestine is 656 square feet (200 m).

A healthy adult can draw in about 200 to 300 cubic inches (3.3 to 4.9 liters) of air at a single breath, but at rest only about 5% of this volume is used.

15 million blood cells are destroyed in the human body every second.

The human body is comprised of 80% water.

The human heart creates enough pressure to squirt blood 30 feet (9 m).

You were born with 300 bones. When you get to be an adult, you have 206.

There are 45 miles (72 km) of nerves in the skin of a human being.

Human blood travels 60,000 miles (96,540 km) per day on its journey through the body