Our eyes blink around 20 times a minute. That’s over ten million times a year
Our ears never stop growing
Earwax is actually a type of sweat
The tongue is covered in about 8,000 taste-buds, each containing up to 100 cells helping you taste your food
You produce about 40,000 litres of spit in your lifetime. Or to put it another way, enough spit to fill around five hundred bathtubs – yuck!