Puas yog cov pob txha muaj ntshav?
Puas yog cov pob txha muaj ntshav?

Video: Puas yog cov pob txha muaj ntshav?

Video: Puas yog cov pob txha muaj ntshav?
Video: Koos loos 2024, Lub peb hlis ntuj
Anonim

Tseeb lawv ua , tab sis lawv lub siab txawv me ntsis ntawm tib neeg lub siab. Zoo li txhua tus caj dab , kab muaj ib qho qhib kev ncig ua haujlwm tsis zoo li peb kaw cov hlab ntshav kaw. Ntawm peb ntshav raug kaw hauv ntshav hlab, kab ntshav , hu ua hemolymph, ntws dawb thoob plaws lub cev.

Ntawm no, Dab tsi yog Xim Cov ntshav ntawm cov pob txha caj dab?

xiav

Ib tus kuj yuav nug, kab puas muaj ntshav hauv lawv? Kab ua tsis muaj ntshav raws li peb paub nws los ntawm cov tsiaj siab dua. Lawv muaj ib yam ntawm, uas yog hu ua hemolymph thiab yog, piv rau tib neeg sib xyaw ntawm ntshav thiab cov kua lymphatic. Qhov sib txawv tseem ceeb tshaj plaws yog hemolymph tsis thauj cov pa thiab yog li muaj tsis liab ntshav hlwb.

Tsis tas li ntawd, cov kws kho mob puas muaj hemoglobin?

Hemolymph (Brit. Haemolymph) yog cov kua hauv cov hlab ntshav ntawm lub cev caj dab (arachnids, crustaceans thiab kab). Qee cov kab uas nyob hauv ib puag ncig cov pa oxygen tsawg muaj tau pom thiab muaj hemoglobin (ntxiv rau hemocyanin), uas muab lawv nrog cov txheej txheem thauj cov pa kom zoo dua qub.

Puas yog invertebrates muaj ntshav?

Vim ntshav yog nyob rau hauv ntshav cov hlab ntsha, cov hlab ntsha ntawm cov nqaj qaum hu ua kaw cov hlab ntshav. Qee cov tsiaj tsis muaj vertebrae, hu ua invertebrates , muaj circulatory systems uas ua tsis muaj ntshav nkoj. Lwm yam invertebrates muaj tsis muaj tseeb circulatory system.

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