Ko te whātuinga o te hia miriona pūtau motuhake e kawe ana i ngā karere ki ngā wāhi katoa o te tinana, e oreore ai ia ki āna mahi katoa. Ko te roro te pū o te pūnaha ioio e whiwhi ana, e tuku ana i ngā karere, e whakahaere ana i ngā wāhanga katoa o te tinana.
The network of many millions of specialised cells which carry messages to all parts of the body in order to bring about bodily activity. The brain is at the centre of the nervous system, receiving and sending messages to control all parts of the body.
He aha te mahi a te pūnaha ioio e rongo ai te tangata i te mamae ina tukia tana tinana?
Whakamāramatia mai te wāhi ki ngā io tairongo me ngā io whakaneke i roto i te pūnaha ioio.
Kei te takiwā o te 300km/h te tere o ngā karere i te pūnaha ioio o te tangata.