The human body is a complex system. But don't worry we are here to
help! You will learn some fun facts about the brain, heart and
lungs... have fun exploring!
Did you know..
Fun facts:
Laid end to end, an adult’s blood vessels could circle Earth’s
equator four times!
It takes the body around 12 hours to completely digest eaten
food.
The smallest bone found in the human body is located in the
middle ear. The staples (or stirrup) bone is only 2.8
millimetres long.