Kev tshem tawm los ntawm lub cev ntawm cov khoom pov tseg uas tshwm sim los ntawm cov txheej txheem metabolic. … Kev tshem tawm yog txhais tau tias yog txheej txheem ntawm kev tshem tawm cov khoom pov tseg, lossis cov khoom pov tseg raug tshem tawm los ntawm txoj kev no. Thaum ib tug neeg mus rau chav dej tso zis, qhov no yog ib qho piv txwv ntawm kev tso zis. Cov zis yog ib qho piv txwv ntawm excretion.
Puas faeces piv txwv ntawm kev tso tawm?
khib nyiab los ntawm lub plab zom mov (feces) thiab khib nyiab los ntawm cov dej num metabolic (hws & tso zis). Tshem tawm cov khoom pov tseg (pooping) yog hu ua egestion. Tshem tawm cov khoom pov tseg metabolic hu ua excretion.
Cov piv txwv ntawm cov khoom siv excretory yog dab tsi?
Cov khoom siv excretory suav nrog amino acids, urea, uric acid, carbon dioxide, dej, thiab ammonia. Qee cov Molluscs thiab Echinoderms tshem tawm cov khoom pov tseg ntawm lub cev hauv daim ntawv ntawm cov amino acids.
Peb piv txwv ntawm excretory system yog dab tsi?
Cov kab mob hauv lub cev
Cov kab mob hauv lub cev muaj xws li daim tawv nqaij, daim siab, txoj hnyuv loj, lub ntsws, thiab raum (saib daim duab 16.2. 2). Ua ke, cov kab mob no ua rau lub excretory system. Lawv tag nrho cov khoom pov tseg, tab sis lawv tsis ua hauj lwm ua ke ib yam li cov kab mob hauv lub cev feem ntau.
Yuav ua li cas tshem tawm?
hom kev tso tawm
- Ammonotelism (Hom excretion- ammonia)
- Ureotelism (hom excretion - urea)
- Uricotelism (Hom excretion - uric acid)
- Aminotelism (Hom excretion - amino acids)
- Guanotelism (Hom excretion - guanine)
