Ukubetha kwentliziyo kuxa izihlunu zentliziyo zirhwaqela okanye zifingana. Oko kuthetha okokuba intliziyo iyashwabana ize ke oku kwenze okokuba igumbi eli eliyintliziyo lifinyele lithande ukuba lincinane. Ngelo xesha kukhameka igazi litsho liputyuzekele ngaphandle liphume entliziyweni liye kungena kwimithambo yegazi. Emva kokuba iye yashwabana ke okanye yabuyelana okanye yafingana intliziyo, izihlunu zayo ziyakuyekelela ke ngoku zitsho ziyeke ukufingana ziswabuluke. Ziyakuthi ke ngokuya ziswabuluka ziye zisanda ngokwanda, lize ke negazi liye libuyela ngokubuyela entliziyweni lide ligcwale apha kuyo.