Koj cov leeg plawv xav tau nws cov ntshav txaus vim, zoo li koj lub cev, nws xav tau oxygen thiab lwm yam khoom noj kom noj qab haus huv. Vim li no, koj lub siab pumps oxygen-nplua nuj ntshav rau nws tus kheej cov leeglos ntawm koj cov hlab ntsha coronary. Ua kom cov ntshav ntws tau zoo.
Lub plawv oxygenate ntshav li cas?
Ntshav nkag mus rau sab xis atrium thiab dhau los ntawm txoj cai ventricle. Lub ventricle txoj cai tso cov ntshav mus rau lub ntsws qhov uas nws ua oxygenated. Cov ntshav oxygenated yog coj rov qab mus rau lub plawv los ntawm cov hlab ntsha pulmonary uas nkag mus rau sab laug atrium. Los ntawm sab laug atrium ntshav ntws mus rau sab laug ventricle.
Puas lub plawv puas muaj cov ntshav oxygen?
Lub luag haujlwm ntawm lub plawv yog txhawm rau tso cov ntshav oxygenated nyob ib puag ncig lub cev, thiab xa cov ntshav deoxygenated thiab cov khoom pov tseg (carbon dioxide) mus rau lub ntsws. Lub plawv muaj plaub chav, txhua qhov sib cais los ntawm cov li qub uas tsuas tso cai rau cov ntshav ntws mus rau hauv ib qho kev coj.
Vim li cas cov hlab ntsha nqa oxygenated ntshav?
Cov hlab ntsha feem ntau nqa cov ntshav oxygenated xa oxygen mus rau hauv nruab nrog cev, thiab cov hlab ntsha feem ntau nqa cov ntshav deoxygenated rov qab mus rau lub plawv kom rov ua pa. Cov lus tshwj xeeb yog cov hlab ntsha pulmonary thiab pulmonary leeg.
Vim li cas thiaj yuav tsum tau cov ntshav ntws mus rau hauv peb lub cev?
Cov ntshav uas xav tau oxygen (xws li cov ntshav deoxygenated) yog xa mus rau koj lub ntsws kom khawsoxygen thiab tshem tawm cov pa roj carbon dioxide. Koj lub plawv dhia txhua hnub kom cov ntshav ncig lub cev. Qhov nruab nrab, cov ntshav liab hauv cov hlab ntshav yuav dhau los ntawm lub plawv txhua 45 vib nas this.
