Cov hlab ntsha me tshaj plaws, hu ua capillaries, me me heev koj xav tau lub tshuab ntsuas kom pom lawv. Capillaries koom ua cov hlab ntsha loj. Qhov loj dua yog hu ua cov leeg. Cov hlab no nqa ntshav rov qab mus rau lub plawv.
Cov hlab ntsha me tshaj plaws lossis cov hlab ntsha hauv cov hlab ntsha yog dab tsi?
Cov hlab me tshaj hu ua capillaries. Raws li cov ntshav txav mus los ntawm cov hlab ntsha, cov pa oxygen thiab lwm cov as-ham txav mus rau hauv cov hlwb. Tom qab ntawd cov khoom pov tseg los ntawm cov hlwb nkag mus rau hauv cov hlab ntsha.
Cov hlab ntsha twg yog qhov tsawg tshaj plaws hauv cov hlab ntshav?
capillaries. Cov hlab ntsha nws thiaj li faib mus rau hauv cov hlab ntsha me tshaj plaws, capillary. Capillaries tsawg heev uas cov qe ntshav tsuas txav mus los ntawm lawv ib zaug xwb. Cov pa thiab cov khoom noj khoom haus kis tau los ntawm cov hlab ntsha mus rau cov hlwb.
2 lub hlab ntshav hu ua dab tsi?
Nws yog hu ua circulatory system, thiab txoj kev yog hlab ntsha thiab cov leegCov hlab ntsha, uas feem ntau zoo li liab, nqa ntshav tawm ntawm lub plawv. Cov leeg, uas feem ntau zoo li xiav, rov qab ntshav rau lub plawv. ventricles (hais: VEN-trih-kuhls): Ob chav nyob hauv qab ntawm lub siab hu ua ventricles.
Yuav ua li cas yog lub raj nyias ntxig rau hauv lub cev hu ua?
Kev mob plawv (kath-uh-tur-ih-ZAY-shun) yog txheej txheem siv los kuaj thiab kho qee yam mob plawv. Thaum lub plawv catheterization, ib lub raj nyias nyias hu ua ib lub catheteryog muab tso rau hauv cov hlab ntsha lossis cov hlab ntsha hauv koj lub puab tsaig, caj dab lossis caj npab thiab threaded los ntawm koj cov hlab ntsha mus rau koj lub plawv.
