Dab tsi yog kaw hom ntawm cov hlab ntshav?
Dab tsi yog kaw hom ntawm cov hlab ntshav?

Video: Dab tsi yog kaw hom ntawm cov hlab ntshav?

Video: Dab tsi yog kaw hom ntawm cov hlab ntshav?
Video: Koos loos 2024, Lub rau hli ntuj
Anonim

Kaw cov hlab ntsha (hloov pauv hauv echinoderms thiab vertebrates) muaj cov ntshav kaw txhua lub sijhawm hauv cov hlab ntsha ntawm qhov sib txawv me me thiab tuab phab ntsa. Hauv no hom ntawm lawv , cov ntshav tau nqus los ntawm lub plawv los ntawm cov hlab ntsha, thiab tsis nquag ua kom lub cev kab noj hniav.

Tsis tas li lo lus nug yog, dab tsi yog qhov kaw circulatory system?

Hauv a kaw circulatory system , cov ntshav tawm hauv plawv, taug kev hauv a kaw lub voj voog voj voog thiab rov nkag mus rau hauv lub siab. Hauv kev sib piv, hauv qhov qhib circulatory system , cov ntshav tawm ntawm lub plawv los ntawm cov hlab ntsha qhib thiab ntau qhov tsis txaus rov qab los rau hauv plawv.

dab tsi yog qhib hom circulatory system? Qhib circulatory systems yog tshuab qhov twg cov ntshav, es tsis yog muab kaw nruj rau hauv cov hlab ntsha thiab cov hlab ntsha, suffuses lub cev thiab tej zaum yuav ncaj qha qhib mus rau ib puag ncig ntawm qhov chaw xws li txoj hnyuv. Nws kuj muaj cov cell tiv thaiv kab mob - tab sis hemolymph tsis muaj cov qe ntshav liab zoo li peb tus kheej.

Qhov thib ob, yam qhib thiab kaw yam dab tsi ntawm cov hlab ntshav?

1: Kaw thiab qhib circulatory systems : (a) Ib kaw cov hlab ntshav , lub plawv tso ntshav los ntawm cov hlab ntsha uas cais los ntawm cov kua nruab nrab ntawm lub cev. Hauv ib qhib circulatory system , cov ntshav tsis nyob hauv cov hlab ntshav, tab sis raug tso rau hauv kab noj hniav hu ua hemocoel.

Cov tsiaj twg muaj lub kaw lus kaw?

Tias yog vim li cas thiaj loj dua tsiaj feem ntau muaj kaw systems , uas yog ib txwm muaj ntawm cov noog, tsiaj txhu, ntses, cov tsiaj reptiles, amphibians, thiab qee yam tsis muaj pob txha. Txawm tias cov kab mob hauv ntiaj teb thiab tib neeg muaj kaw circulatory systems.

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