Human Body Facts for Kids
Surprising facts about your body
If you laid all of an adult's blood vessels end to end, they would stretch roughly 100,000 kilometres — enough to circle the Earth about two and a half times.
Scientists still do not fully understand why we hiccup. One theory suggests it is an evolutionary leftover from when our ancestors breathed through both lungs and gills.
A sneeze can propel tiny droplets up to eight metres through the air at speeds of over 160 kilometres per hour.
You are about one centimetre taller in the morning than at night because gravity compresses the fluid-filled discs in your spine throughout the day.
Your gut contains about 500 million neurons and has its own independent nervous system, often called the 'second brain' or enteric nervous system.
Your heart beats around 100,000 times every single day, pumping roughly 7,500 litres of blood around your body.
Babies are born with around 270 bones, but adults only have 206 because many bones fuse together as you grow up.
Your skin is the largest organ in your body, covering an area of about 1.5 to 2 square metres in an adult.
Although the brain makes up only about 2% of your body weight, it uses roughly 20% of all the oxygen you breathe in.
Red blood cells carry oxygen from your lungs to every part of your body, and a single drop of blood contains around five million of them.