Human Body Facts for Kids
Surprising facts about your body
Your liver performs over 500 different functions, including filtering blood, producing bile, storing vitamins, and breaking down toxins.
Scientists at Rockefeller University found that humans can distinguish at least one trillion different smells — far more than previously thought.
Babies are born with about 300 bones, but as they grow, many of these fuse together, leaving adults with just 206.
The adult human brain weighs about 1.4 kilograms, which is roughly 2% of total body weight, yet it uses about 20% of the body's energy.
A single red blood cell lives for about 120 days before it is broken down and replaced. Your body makes about 2 million new ones every second.
The hydrochloric acid in your stomach is strong enough to dissolve zinc, but a thick layer of mucus protects the stomach lining from digesting itself.
The cornea is the only part of the body that receives oxygen directly from the air rather than from blood. It has no blood vessels at all.
Your heart pumps about 7,500 litres of blood every single day — that is enough to fill roughly 94 bathtubs.
Humans are the only animals known to have a true chin — the bony projection at the bottom of the jaw. Scientists still debate why we evolved one.
The human body contains enough carbon to make about 9,000 pencils.