Continents are the large land masses that we see on our earth. These hard land masses where people and other living organisms walk or crawl and make home are large in size, and are made up of many countries. There are also many small land masses which we call as islands, but continents are very large in size compared to these islands.There are 7 continents on earth. Many people combine the two continents Asia and Europe into a single continent and call it Eurasia. - See more at: http://www.7continents5oceans.com/#sthash.MaVddCpx.dpuf