#1 Did you know that the size of the eye does not change from birth to death because it does not grow and remains as it is in contrast to the ear and nose, which grow with human growth.
#2 Did you know that the number of stars in the sky increases the number of sand grains in the earth.
#3 - Did you know that the blue whale is the largest and largest creature in the world as the size of his heart is equal to the size of a car and the length of his tongue five meters!
#4 Did you know that octopus is the smartest nonvertebrate animal in the world, and when one of its arms loses, an alternate arm gradually grows over time and it has ten legs and three hearts, and its females produce sixty thousand eggs.
#5 - Did you know that the African snake can survive two whole years without food, and the snake hears the sounds through its tongue!
