He huinga whēkau tūhonohono o roto i tētahi pūnaha tinana, e whaiwhai ana te mahi a tēnā whēkau i te mahi a tēnā. Ko te arahau, ko te aramimi me te ara nakunaku kai hei tauira.
A group of connected organs in a body system, where the work of each organ is sequential. Examples include the respiratory tract, the urinary tract and the digestive tract.
ara - pathway
roma
Ko te kōpiro iti me te kōpiro nui ngā whēkau e rua o roto i te ara kōpiro.
He ara ioio kei roto i te tuaiwi o te tangata, e tiakina ana e ngā tangai tuaiwi.
Ko te ihu, te pongāhau, te korokoro me te paeoro ngā wāhanga matua o roto i te arahau runga.