He aha te mea e whakatau ana i te kaha riaka me te kaha kutikuti o te tiu kume?

Ko te nuinga ka whakatauhia e te rauemi me te hanganga, he kaha ake te kowiri tira i te konumohe me te rino;rivets matapo momo pahū, rivet tuhi waea me rivets hippocampus he rivets matapo hanganga me te kaha teitei.