Fun Facts about Human Body for Kids

The human body is a single structure but it is made up of billions of smaller structures of four major kinds: cells, tissues, organs, and systems. An organ is an organization of several different kinds of tissues so arranged that together they can perform a special function .A system is an organization of varying numbers and kinds of organs so arranged that together they can perform complex functions for the body. Here are some amazing facts related to the human body:

1. Active Brain:

Your brain is sometimes more active when you’re asleep than when you’re awake.

2. Amount of Saliva:

Your mouth produces about one litre of saliva each day.

3. Loss of skin cells:

Your skin loses about 30 to 40,000 dead skin cells from its surface every minute.

4. Human heart beats:

The human heart beats more than three billion times in an average lifespan.

5. Size of left lung:

Your left lung is about 10 percent smaller than your right one.

6. Power of Nose:

Humans can distinguish more than 1 trillion scents.

7. Weight of blood:

Your blood makes up about eight percent of your body weight.

8. Sweat Pores:

The body has 2.5 million sweat pores.

9. Location of bones:

More than half of your bones are located in the hands, wrists, feet, and ankles.

10. Amount of water:

About 60% of your body is made up of water.

11. Size of small intestine:

Your small intestine is taller  than you and measures about 23 feet.

12. Human Body acid:

The acid  that’s generated in your stomach  is so strong that it can even dissolve metal and can even burn your skin.

13. Tongue prints:

Just like fingerprints, humans also possess a unique tongue print.

14. Blinking of eyes:

Babies only blink once or twice in a minute while an adult blinks at least 10 times in the same.

15. Longest Nerve in human body:

The longest nerve of the body runs from the spinal cord to the toes of the body. This is known as the sciatic nerve.

16. Biggest body joint:

The biggest joint in your body is the knee.

17. Muscles:  

The human body contains more than 600 muscles. The Gluteus Maximus, which is the main extensor muscle of the hip, is the largest muscle in the body.

18. Heart rate:

A fun fact about your heart is that it beats about 100,000 times in a day.

19. Speed of brain:

The information travels to your brain at a speed of 268 miles per hour.

20. Home of bacteria:

Your skin is home to more than 1,000 types of bacteria.

21. Thickest and Thinnest skin of body:

The thickest skin on your body is found in the feet while the thinnest is in the eyelids.

22. Ear:

Your ears never stop growing.

23. Iris of the eye:

The iris of the eye is as unique as a fingerprint.

24. Hardest substance of body:

The hardest substance in the body is tooth enamel.

25. Sleep of every year:

The average person spends ⅓ of their life asleep. That’s 4 months out of every year.