Human Body Facts #1

 Here are some awesome human body facts you probably didn't knew:

  1) 50,000 of the cells in your body will die and be replaced with new cells, all while you have been reading this sentence!
  2) Your body requires 1000-1500 calories per day just to simply survive (breathing, sleeping, eating).
  3) The brain itself cannot feel pain. While the brain might be the pain center when you cut your finger or burn yourself, the brain itself does not have pain receptors and cannot feel pain.
  4) The average human body contains enough: Sulfur to kill all fleas on an average dog, Carbon to make 900 pencils, Potassium to fire a toy cannon, Fat to make 7 bars of soap, Phosphorus to make 2,200 match heads, and enough Water to fill a ten gallon tank
  5) Your left lung is smaller than your right lung to make room for your heart. 
  6) The average human produces a quart of saliva a day or 10,000 gallons in a lifetime.
  7) Every day an adult body produces 300 billion new cells.
  8) In one hour, your heart works hard enough to produce the equivalent energy to raise almost 1 ton of weight 1 yard off the ground.
  9) Scientists say the higher your I.Q. the more you dream.
10) The largest cell in the human body is the female egg and the smallest it the male sperm.
11) You use 200 muscles to take one step