The only part of the body that has no blood supply is the cornea of the eye. It receives oxygen directly from the air.
The human brain has a memory capacity which is the equivalent of more than four terabytes on a hard drive.
A newborn child can breathe and swallow at the same time for up to seven months.
Your skull is made up of 29 different bones.
Nerve impulses sent from the brain move at a speed of 274 km/h.
A single human brain generates more electrical impulses in a day than all the telephones of the world combined.
The average human body contains enough sulphur to kill all the fleas on the average dog, enough carbon to make 900 pencils, enough potassium to fire a toy cannon, enough fat to make seven bars of soap and enough water to fill a 50-litre barrel.
The human heart pumps 182 million litres of blood during the average lifetime.
50,000 cells in your body died and were replaced by new ones while you were reading this sentence.
The human embryo acquires fingerprints within three months of conception.