1.Qhov phab ntsa lub cev qhia cov ntaub ntawv tsaj.
2.Qhov kev siv zom zaws qhia tau qhov qhib, cov pa taws, midgut, lub raj, lub plab zom mov, (lub plab zom mov, (lub plab zom mov tuaj yeem tshem tawm) thiab cov qog cov qog.
3.Qhov cov pa hluav taws qhia pom cov hlab ntsha dorsal thiab lub siab. Kev ua pa tawm ua pa qhia cov hnab cua thiab cua yeeb nkab. Kev Tawm Tsam Cov Hluav Taws Xob Shemal Canal.
4.Qhov kev mob hlwb qhia lub hlwb, ventral hlab ntsha, ventral laib thiab ceg tseem ceeb. Kev ua me nyuam system qhia cov zes qe menyuam, tsis txaus siab ligaments, tom qab sab nraub qaum) Middle Foursabian leeg, lub seminal hlwv, thiab caj ces seminal, thiab chaw mos.