Amazing Medical Facts of the Body That You May or May Not Know
- 1. The average red blood cell lives for 120 days.
- 2. There are 2.5 trillion (give or take) of red blood cells in your body at any moment. To maintain this number, about two and a half million new ones need to be produced every second by your bone marrow.That’s like a new population of the city of Toronto every second.
- 3. Considering all the tissues and cells in your body, 25 million new cells are being produced each second. That’s a little less than the population of Canada – every second !
- 4. A red blood cell can circumnavigate your body in under 20 seconds.
- 5. Nerve Impulses travel at over 400 km/hr (249 mi/hr).
- 6. A sneeze generates a wind of 166 km/hr (100 mi/hr), and a cough moves out at 100 km/hr (60 mi/hr).
- 7. Our heart beats around 100,00 times every day or about 30 million times in a year.
- 8. Our blood is on a 60,000-mile journey per day.
- 9. Our eyes can distinguish up to ten million colour surfaces and take in more information than the largest telescope known to man.
- 10. Our lungs inhale over two million litres of air every day, without even thinking. Their surface area is large enough to cover one side of a tennis court.
- 11. We give birth to over 200 billion red cells every day.
- 12. When we touch something, we send a message to our brain at 124 mph
- 13. We exercise at least 36 muscles when we smile.
- 14. We are about 70 percent water.
- 15. We make around 1 to 1.6 litres of saliva a day.
- 16. Our nose is our personal air-conditioning system: it warms cold air, cools hot air and filters impurities.
- 17. In one square inch of our hand we have nine feet of blood vessels, 600 pain sensors, 9000 nerve endings, 36 heat sensors and 75 pressure sensors.
- 18. We have copper, zinc, cobalt, calcium, manganese, phosphates, nickel and silicon in our bodies.
- 19. It is believed that the main purpose of eyebrows is to keep sweat out of the eyes.
- 20. A person can expect to breathe in about 45 pounds of dust over his/her lifetime.