What Is a Bird?

A bird is a warm-blooded vertebrate belonging to the Aves class of vertebrates. They have feathers, toothless beaked jaws and a hard-shelled egg. They have high metabolic rates, a four-chambered heart, and a lightweight skeleton. They are very social creatures.…

Facts About Football

Football is an association sport played between two teams of 11 players. It is played with a spherical ball. There are 250 million players in over 200 countries and is the most popular sport in the world. However, it’s not…