Cov xim ntawm cov hlab ntsha thiab cov ntshav venous txawv. Oxygenated (arterial) ntshav yog ci liab, hos dexoygenated (venous) ntshav yog xim liab-liab-liab.
Vim li cas cov ntshav hlab ntshav tsaus dua?
Hemoglobin khi rau oxygen absorbs xiav-ntsuab lub teeb, uas txhais tau hais tias nws pom lub teeb liab-txiv kab ntxwv rau hauv peb lub qhov muag, tshwm liab. Yog vim li cas cov ntshav hloov ci liab cherry liab thaum oxygen khi rau nws cov hlau. Tsis muaj oxygen txuas, ntshav yog xim liab.
Cov ntshav dab tsi yog ntshav?
ntshav ib txwm red. Cov ntshav uas tau oxygenated (feem ntau ntws los ntawm cov hlab ntsha) yog xim liab thiab cov ntshav uas ploj lawm oxygen (feem ntau ntws los ntawm cov leeg) yog xim liab.
Cov ntshav hlab ntsha zoo li cas?
Cov ntshav Arterial yog cov ntshav oxygenated nyob rau hauv cov hlab ntsha uas muaj nyob rau hauv cov hlab ntsha pulmonary, sab laug ntawm lub plawv, thiab cov hlab ntsha. Nws yog ci liab hauv cov xim, thaum cov ntshav venous yog xim liab tsaus (tab sis zoo li ntshav ntawm daim tawv nqaij translucent). Nws yog lo lus contralateral rau cov ntshav venous.
ntshav hlab ntsha zoo li cas?
ntshav hlab ntsha yog tus cwj pwm los ntawm nrawm nrawm nrawm, qee zaum ob peb meters siab, thiab tau sau tseg tias ncav cuag ntau li 18-feet deb ntawm lub cev. Vim tias nws muaj oxygenated ntau heev, cov ntshav hlab ntsha tau hais tias yog xim liab.
