The average person's skin weighs twice as much as their brain.
131
Your skeleton keeps growing until you are about 35, then you start to shrink.
74
In one day, adult lungs move about 10,000 litres of air.
11
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
One out of 20 people have an extra rib.
66
Your heart rate can rise as much as 30% during a yawn.
69
Music has the ability to repair brain damage and return lost memories.
62
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46