Fun Facts
The Human Body: 25 Fantastic Projects
Illuminate How the Body Works

• Blood plasma can be prepared by using centrifugal force to spin a tube of blood.
• Newborns’ hearts beat around 140 times per minute.
• A sneeze can blow air out of your nose at a speed of 100 miles per hour!
• The smallest muscle in the body is in the middle ear.
• After you’ve been standing all day, your cartilage discs compress a little—making you up to three quarters of an inch shorter than you are in the morning!  
• There are more than 200 different cells in the body.
• We lose around 40,000 skin cells every minute.
• Even when we sleep, our ears are catching sounds around us.