20 Interesting Human Body Facts for Kids

A little girl standing against a chart of the human body

Children are always curious about learning new things and are open to explore and understand new concepts readily. Reading facts about the human body, space and history is always a good thing.

The human body is a complex composition which has several interesting aspects and capabilities that can stretch beyond our imagination. Here are some fun facts about the human body that will help your child to think about the human body with a better perspective.

20 Fun Facts about Human Body for Children

Children studying about the human body in school

Here are 20 human body facts for kids:

  1. The human body requires food, air and water. Food provides energy to the body. Air provides oxygen to the body for breathing. Water helps in keeping the body moist.
  2. A human body grows more during the initial two years of its life than during the rest of your life.
  3. The human brain is about three times bigger than any other animal’s brains of our size.
  4. It takes an average human body about twelve hours to digest the eaten food completely.
  5. We know that all human beings have unique fingerprints, but did you know that human beings also possess unique tongue prints.
  6. Infants blink only once or twice in a minute while an adult blinks about 10 times every minute.
  7. The ears and nose of humans continue to grow throughout the entire life.
  8. A human heart beats about 100000 times in a day, 36500000 times in a year and over a billion times in 30 years.
  9. The brain utilizes over twenty-five percent of the oxygen used by a human body.
  10. A sneeze can travel with a speed of more than 161 kmph.
  11. The heart is one of the most powerful organs in the human body. The Blood pressure produced by the human heart is capable of squirting blood about nine metres in the air.
  12. An average heart of a male adult should weigh about 300 grams. While the average heart of a female adult should weigh about 250 grams. The average heart of a baby weighs only about 100 grams.
  13. The largest muscle in a human body is in the buttocks, it is known as ‘gluteus maximus’, which helps us to lift our legs.
  14. The smallest muscle in a human body is known as the ‘stampedius’ and it is only 1.27 mm long. This muscle is situated in the middle ear and it helps in stabilizing the smallest bone in the human body.
  15. The average temperature if a normal human body is 98.4 degrees Fahrenheit or 36.9 degrees Celsius.
  16. A fully grown human body has 206 bones. A newborn baby has more than 300 bones. The bones of the newborn baby fuse together as they grow older. In the end, the count of the bones is always 206.
  17. The fingernails of an average human being grow about 1.4 to 10 cm per year (0.5 to 4 inches per year).
  18. If we line up all the DNA from cells of a human being, it would spread to the moon and back to the earth about 3000 times.
  19. Did you know that 99 percent of the DNA is the same in all human beings?
  20. An average human being can live for about three minutes without the supply of oxygen, three to five days without water, and about forty days without food. Warning: Do not try to test any of the above-mentioned limits.

There are many more facts about the human body that your child might find very interesting. Knowing these fun facts help children in developing the way they think about their own body. It can also help them explore and understand the various parts of their body as they grow and develop.

Also Read:

Science Facts for Kids
Space Facts for Kids
Animal Facts for Kids