FACTS ABOUT THE HUMAN BODY:

• The human body has about 100 billion neurons.
• The brain is more active and thinks more at night.
• One human brain generates more electrical impulses in a single day than all of the world's telephones put together.
• The eye ball of the human weighs 28 grams.
• The eye has 125 millions rods and 7 million cones.
• The average ear grows 0.01 inches in length every year .
• The tooth is the only part of the human body that can't repair itself.
• 2 million red blood cells die every second.
• In a year, a person's heart beats 40,000,000 times.
• There are 45 miles of nerves in the skin.
• The average human's heart will beat 3000 million times in their lifetime. The average human will pump 48 million gallons of blood in their lifetime.

• The average human produces a quart of saliva a day or 10000 gallons in a lifetime. 

                                                                                                                        by,

                                                                                                                           K.Dharini Kathirvel

                                                                                                                                  IX-A