Bio – know it

Every three days the human stomach gets a new lining

Humans are born with 300 bones in their body, however when a person reaches adulthood they only have 206 bones. This occurs because many of them join together to make a single bone

The right lung of a human is larger than the left one. This is because of the space and placement of the heart

The human body makes anywhere from 1 to 3 pints of saliva every 24 hours

Enamel is hardest substance in the human body