ntshav nqus thiab faib cov cua sov thoob plaws lub cev. Nws pab tswj hwm homeostasis los ntawm kev tso tawm lossis kev txuag kev sov. Cov hlab ntsha nthuav dav thiab cog lus thaum lawv hnov mob rau cov kab mob sab nraud, xws li cov kab mob, thiab cov tshuaj hormones sab hauv thiab tshuaj hloov pauv.
Puas ntshav ua kom sov?
Qhov no yog ua tiav ob qho tib si los ntawm cov kua hauv cov ntshav (plasma), uas tuaj yeem nqus lossis tso tawm cua sov, nrog rau kev nrawm ntawm cov ntshav ntws.: Thaum cov hlab ntsha nthuav dav, cov ntshav ntws maj mam thiab qhov no ua rau kom sov poob.
Lub cev faib cov ntshav li cas?
Cov kab mob vascular, tseem hu ua circulatory system, yog tsim los ntawm cov hlab ntsha uas nqa cov ntshav thiab lymph los ntawm lub cev. Cov hlab ntsha thiab cov hlab ntsha nqa ntshav thoob plaws lub cev, xa cov pa oxygen thiab cov as-ham rau hauv lub cev cov ntaub so ntswg thiab tshem tawm cov ntaub so ntswg pov tseg.
Yuav ua li cas rau cov hlab ntsha thaum koj kub?
Nyob rau hauv qhov kub thiab txias, tib yam cov hlab ntsha dilate lossis dav, ua rau cov ntshav ntws mus rau ntawm daim tawv nqaij, yog li tso cua sov tawm hauv lub cev, thiab ua kom lub cev tseem ceeb. kub nce mus rau theem txaus ntshai.
Lub circulatory system ua kom koj sov li cas?
Los ntawm kev txwv cov hlab ntsha uas ua rau koj cov extremities, koj lub cev coj cov ntshav sov mus rau hauv nruab nrab ntawm koj lub cev, qhov chaw koj tseem ceeblub cev yog lub ntsiab tseem ceeb. Qhov no ua rau koj lub cev sov, tab sis tuaj yeem tso koj cov ntiv tes thiab ntiv taw!
