In biology living things are classified into groups based on certian characeristics. The major groups are
Kingdom
Phylum
Class
Order
Family
Genus
Species
One way to remember this is to use the phrase use the phrase "Kings Play Cards On Fat Green Stools."
There are six kingdoms in modern classification. They are
Kingdom Protozoa
Kingdom Chromista
Kingdom Plantae
Kingdom Fungi
Kingdom Animalia
Humans are included in kingdom Animalia