Zatsopano, Mabotolo anzeru opanda mpweya amakhala ndi chidebe cha botolo, pisitoni ya pulasitiki mkati mwa diaphragm m'thupi, ndi mutu wa mpope pakamwa pa botolo. Pamene mpope wakhumudwa, pisitoni imayenda m'mwamba mkati mwa diaphragm.
Kupanikizika kumagwira ntchito kudzaza malo opanda kanthu ndikugawa zomwe zili mkatimo mofanana. Pamene makasitomala anu akugwiritsa ntchito zochepa, kulondola koperekedwa ndi mapampu opanda mpweya kungakhale kofunika kwambiri, makamaka mankhwala mankhwala amene amafuna mlingo wapamwamba wa kulondola.
