astounding facts about the human body

If your arteries, veins and capillaries were laid out end to end they would measure 100,000 km. Thats nearly enough to stretch two and a half times around the planet!

Your hair grows about 6mm every four weeks and keeps on growing for up to six years. The hair then falls out and another grows in its place.

Your mouth contains around 10,000 taste buds, most of which are located on and around the tiny bumps on your tongue. But you need the sense of smell to taste too.

Smell is the oldest of all the senses - before sight, hearing or touch, creatures evolved to respond to chemicals around them. Your brain can remember over 50,000 different scents.

The human brain is the most sophisticated thing in the known universe. Humans have more brain cells at the age of two than at any other point in their lives – but it will take nearly 20 years for the brain to mature.

?Our blood is on a 60,000 mile journey per day.

Our eyes can distinguish up to ten million colour surfaces and take in more information than the largest telescope known to man.

?Our heart beats around 100,00 times every day or about 30 million times in a year.

?A sneeze generates a wind of 166 km/hr (100 mi/hr), and a cough moves out at 100 km/hr (60 mi/hr).

?Nerve Impulses travel at over 400 km/hr (249 mi/hr).