Kev soj ntsuam tib neeg lub cev yog ib qho ntawm kev coj ua kev kos duab nyuaj tshaj plaws. Txhawm rau kos cov ceg, koj yuav tsum paub zoo nws cov qauv anatomical.
Nws yog qhov tsim nyog
Mem hluav, lwv hauv ntawv
Cov Lus Qhia
Kauj ruam 1
Txhawm rau kom paub yuav ua li cas kos cov nqaj hauv qab ntawm ib tug neeg, koj yuav tsum pib los ntawm ua tib zoo kawm ntau cov duab ntawm txhais ceg: duab, kos duab, pleev duab. Them nyiaj tshwj xeeb rau cov leeg nqaij: nws cov qauv feem ntau zoo ib yam rau txhua tus neeg, qhov sib txawv tsuas yog hauv qhov degree ntawm cov leeg. Nco ntsoov yuav ua li cas txoj haujlwm ntawm ko taw, pob taws thiab lub duav hloov pauv ntawm qhov chaw ua haujlwm, zaum thiab dag.
Kauj ruam 2
Txhawm rau kos ob txhais ceg nrog tus xaum, nws yog qhov zoo dua rau qhov muaj qhov nyob ntawm koj lub qhov muag - nws tuaj yeem yog tus neeg muaj sia lossis duab los ntawm qhov uas koj yuav tsum luam koj daim duab. Rau qhov pib, nws yog qhov zoo dua rau nres ntawm daim duab ntawm tus ceg ntawm tus neeg sawv ntsug. Kos cov txheej txheem qis dua ntawm nws ua ntej, tom qab ntawd txuas ntxiv pob taws, thiab tom qab ntawd ua kom tiav daim duab nrog daim duab ntawm tus ncej puab.
Kauj ruam 3
Txog ntawm ko taw, kos ib lub duab peb sab xis xis nrog lub ntsej muag hypotenuse ntsia nws. Qhov no yog schematic sawv cev ntawm cov qauv dav dav ntawm ko taw. Tom qab ntawd, siv cov kab du, pib kos tus thawj kab ntawm ko taw, ntiv taw, thiab qis pob qij txha. Tom qab ntawd, koj yuav tsum ua tib zoo lwv cov thawj cov kab ncaj ncaj. Los ntawm ko taw nce, kos ib qho nqaim, siab ntev lub dav dawb oval - qhov no yog qhov qhia txog pob luj taws. Thaum qhia txog qhov no ntawm ceg nyob rau hauv profile, nws sab pem hauv ntej yuav tsum ncaj, thiab sab nraub qaum yuav tsum muaj lub ntsej muag zoo, tsim los ntawm cov leeg.
Kauj ruam 4
Txhawm rau kos tus ncej puab nrog ib tug xaum, kos lwm lub oval ntawm cov duab maj mam elongated los ntawm sab saum toj ntawm pob taws. Nws tuaj yeem muab tso rau ob qho tib si ntsug thiab kab rov tav, nyob ntawm qhov xav tau txoj hauj lwm ntawm txhais ceg. Siv cov txheej txheem zoo ib yam li kev kos duab pob taws, kos duab tiag taw ntawm cov ncej puab. Ua kom txhais ceg kos duab ntau voluminous, siv chiaroscuro kos cov leeg nqaij.
