Human Body Facts for Kids
Surprising facts about your body
Around 55% of your blood is made up of a pale yellow liquid called plasma, which carries nutrients, hormones, and proteins around your body.
Bones are not dead — they are living tissue full of cells that constantly break down old bone and build new bone throughout your life.
Your brain generates enough electrical activity to power a small light bulb, and it produces about 70,000 thoughts per day.
The spleen filters your blood, removes old or damaged red blood cells, and helps your immune system fight infections.
Your voice is created when air from the lungs passes over two folds of tissue — called vocal cords — making them vibrate and produce sound.
The pancreas produces powerful digestive enzymes that break down proteins, fats, and carbohydrates, and also makes insulin to control blood sugar.
Ear wax is not dirty — it is produced to protect the ear canal by trapping dust, bacteria, and other particles before they reach the eardrum.
Humans actually have more than five senses — as well as sight, hearing, smell, taste, and touch, we also have balance, proprioception (body position), and temperature detection.
During sleep, your brain's cleaning system activates, flushing out waste products that build up during the day — including proteins linked to Alzheimer's disease.
Your right lung is slightly larger than your left lung because the left lung has a notch in it to make room for your heart.