Ko ngā hanga ka whakaputa i ngā matū hei whakahaere i ngā tukanga o te tinana, pērā i te tupu me te whakaputa pūtau toto. Ka kīia ēnei matū he taiaki. Ka tukuna ngā taiaki ki roto i te toto, ka kawe haerehia ki ngā wāhanga o te tinana
The body organs which produce chemicals that control processes such as growth and the production of blood cells. These chemicals are called hormones. Hormones are released into the blood stream and carried to the various parts of the body.