Human Body Facts for Kids
Surprising facts about your body
Your fingerprints are formed before you are born, around the 10th week of development, and remain unchanged for your entire life.
The bacteria living in your gut weigh about 1 to 2 kilograms and play a vital role in digestion, immunity, and even your mood.
Your eyelashes act like tiny shields, keeping dust, sweat, and other small particles out of your eyes.
The average person spends about one-third of their life asleep. If you live to 75, that is roughly 25 years of sleeping.
Your brain generates about 23 watts of electrical power when awake — enough to light a small LED bulb.
The small intestine is about 6 metres long — roughly four times the height of an average adult. It is coiled up tightly to fit inside your abdomen.
Fresh sweat is actually odourless. Body odour is caused by bacteria on your skin breaking down the proteins in sweat.
Your eyes can process about 36,000 pieces of visual information every hour, sending signals to the brain along the optic nerve at incredible speed.
By the time air reaches your lungs, your nose has warmed it to body temperature and added moisture so it does not dry out the delicate lung tissue.
Your skin regulates body temperature by releasing heat when you are too warm and conserving it when you are cold, using sweat and blood vessel dilation.