He rōpū taiora kei roto i te kai, he pūhui o te nonireka me te waikawa ngako. He nui te pūngao kei roto i te ngako hei whakamahi mā te tinana. Ki te kore e whakamahia te katoa o te ngako, ka noho te toenga ki te tinana hei pātaka pūngao, hei ārai hoki i te mātao. He totoka te ngako i te paemahana ā-whare. He momo ngako anō te hinu, engari he wē i te paemahana ā-whare. Ko te mīti mōmona, ko te kirīmi, ko te pata hei tauira o ngā kai he nui te ngako kei roto.
A group of nutrients in food, compounds made up of glycerol and fatty acids. Fat is rich in energy which is used by the body. If all the fat is not used, it remains in the body as a store of energy and insulation against the cold. Fat is a solid at room temperature. Oil is another type of fat which is a liquid at room temperature. Fatty meat, cream and butter are examples of food with a high content of fat.