2- 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.
3- The average human body contains enough:
┗▶ Sulphur 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 2200 match heads, and enough Water to fill a ten gallon tank
3- Your left lung is smaller than your right lung to make room for your heart.