continent North America http://purl.bioontology.org/ontology/MESH/D009656 https://en.wikipedia.org/wiki/Category:North_America https://en.wikipedia.org/wiki/North_America North America is a continent in the western hemisphere of Earth, bordered to the west by the Pacific Ocean, the east by the Atlantic Ocean, the north by the Arctic Ocean, and connected at the south to South America by the Isthmus of Panama. North American The northern continent of the Western Hemisphere, extending northward from the Colombia-Panama border and including Central America, Mexico, Caribbean area, the United States, Canada and Greenland. The term often refers more narrowly to Mexico, continental United States, and Canada. Americas