Nephridium, chav tsev ntawm cov kab mob excretory nyob rau hauv ntau yam primitive invertebrates thiab kuj nyob rau hauv amphioxus; nws tshem tawm cov khib nyiab ntawm lub cev mus rau (feem ntau yog dej) sab nrauv. … Ntau tshaj, segmented invertebrates, xws li earthworms, muaj cov complex metanephridia, feem ntau teem ua khub.
Neeg kab mob nephridia ua haujlwm li cas?
Ib kab av excretes cov nitrogenous pov tseg hauvcov zis uas feem ntau muaj urea, dej, kab ntawm ammonia thiab creatinine. Nephridia tshem tawm cov tshuaj no los ntawm lub cev ntawm cov kab mob hauv av. … Cov khoom pov tseg raug tshem tawm ntawm lub cev nrog rau cov quav.
nplaim hluav taws ua haujlwm li cas?
Cov nplaim hluav taws ua haujlwm zoo li lub raum, tshem tawm cov khoom pov tseg los ntawm kev pom. Lub cilia propel pov tseg teeb meem hauv tubules thiab tawm ntawm lub cev los ntawm excretory pores uas qhib rau ntawm lub cev; cilia kuj nqus dej los ntawm cov kua nruab nrab, tso cai rau pom.
Yuav ua li cas tshem tawm?
Excretion yog txheej txheem uas metabolic pov tseg yog tshem tawm ntawm lub cev. … Cov tshuaj tiv thaiv no tsim cov khoom pov tseg xws li carbon dioxide, dej, ntsev, urea thiab uric acid. Kev sib sau ntawm cov khib nyiab no dhau ib theem hauv lub cev yog qhov ua rau lub cev tsis zoo. Cov kab mob excretory tshem tawm cov khib nyiab no.
Qhov txawv ntawm nephridia thiab nephridium yog dab tsi?
Lub nephridium (plural nephridia) yog ib qhoinvertebrate organ, pom nyob rau hauv khub thiab ua ib tug muaj nuj nqi zoo ib yam li lub raum vertebrate (uas yog los ntawm lub chordate nephridia). Nephridia tshem tawm cov khoom pov tseg ntawm cov tsiaj hauv lub cev. Nephridia tuaj nyob rau hauv ob pawg: metanephridia thiab protonephridia.
