I don't know about nose cracking, but I can make a high pitched 'mosquito ringtone' like noise with my throat just by breathing. it takes a while for me to get it tuned. Basically, it is a whistle in my throat. A visual demonstration, drumrooooooooooooollllllllllllllllllllllllllll!!!
EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE 
,

,
