Human Body: Astounding Facts!

The human body is the most complex mechanism we have encountered in the universe. There is no end to the discoveries we make about it. Here are some fascinating facts about this natural wonder:

1. The nose can remember 50,000 different scents.
2. Nerve impulses travel to ad from the brain as fast as 170 miles per hour.
3. Each day the average person sheds 60-100 strands of hair.
4. The small intestine has an average length of 20-23 feet.
5. It is estimated that there are 60,000 miles of blood vessels in the human body.
   
6. you are more likely to have bad dream in a cold room.
7. every minute, 300 million cells in your body die, and your body produces 300 billion new ones each day.
8. It only takes 17 muscles to smile.
9. you could remove the stomach, the spleen, one kidney, 80% of the intestines and 75% of the liver and still be able to survive.
10. Over the course of an average lifespan, a person will have created two pools worth of saliva.
11. All of the bacteria in our body collectively weighs about 4 pounds.
12. Your body has enough iron in it to make a metal nail 3 inches long.