Video: Puas yog pob zeb wallaby muaj cov hlab ntsha dorsal?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Piv txwv li, tus lej sib txawv ntawm tib neeg thiab dev = 10. Piv txwv li, tawm ntawm xya tus yam ntxwv tseem ceeb, txhua tus tsiaj no muaj cov hlab ntsha dorsal , tab sis tsuas yog tib neeg, liab thiab kangaroos muaj cov qog mammary.
Yog li ntawd, puas yog lub teeb ci ntsa iab puas muaj lub paj qaum?
Cov taws teeb yog cov keeb kwm yav dhau los ntawm cov nqaj qaum, thiab txawm hais tias tsis muaj "pob txha tseeb", lampreys ua muaj a dorsal paj hlwb txuas lawv lub hauv paus tshee system, nrog rau cov pob txha mos mos uas tsis txhawb nqa nws.
Kuj Paub, cov kab mob dab tsi muaj qaum qaum qaum? Cov dorsal paj hlwb yog qhov tshwj xeeb rau chordates, thiab nws tau pom feem ntau hauv Vertebrata chordate subphylum. Cov dorsal paj hlwb tsuas yog ib lub hauv paus embryonic tshwj xeeb rau txhua tus chordates, ntawm lwm qhov plaub chordate nta-tus notochord, tus ncej tom qab qhov quav, qhov kawg, thiab pharyngeal slits.
Tsis tas li cov lus nug yog, puas yog bullfrog muaj dorsal paj qaum notochord?
Dorsal paj hlwb , Notochord dd Lamprey: koj puas xav tau ntau tus thwjtim? Dorsal paj hlwb , Notochord Tuna: Paired appendages, Vertebral kem Bullfrog : Ob txhais ceg Snapping Turtle: Amniotic Sac Kangaroo: Mammary Glands Rhesus Monkey: Placenta Tib Neeg: Canine cov hniav luv, foramen magnum.
Cov tsiaj puas muaj qaum qaum cov hlab ntsha?
Dorsal paj hlwb feem ntau pom muaj nyob hauv subphylum Vertebrata. Vertebrates suav nrog txhua yam tsiaj nrog lub cev pob txha sab hauv thiab tus txha caj qaum xws li ntses, amphibians, cov tsiaj reptiles, noog thiab tsiaj.
Pom zoo:
Dab tsi ua rau cov pob zeb hauv pob zeb thiab pob zeb raug mob?
Gallstones tsim thaum cov kua tsib muaj cov roj cholesterol ntau heev lossis bilirubin. Kev rog thiab kev noj zaub mov ntau hauv cov roj (cholesterol) thiab rog tuaj yeem ua rau cov pob zeb tsim. Cov poj niam feem ntau txhim kho pob zeb. Zoo li lub raum pob zeb, cov pob zeb tuaj yeem raug tshem tawm yam tsis tau tshem lub gallbladderitself
Cov hlab ntsha hlab ntsha thiab cov hlab ntshav muaj dab tsi?
Cov hlab ntsha nqa ntshav tawm ntawm lub plawv; Lub ntsiab hlab ntsha yog aorta. Capillaries nqa ntshav tawm ntawm lub cev thiab pauv cov as-ham, pov tseg, thiab oxygen nrog cov ntaub so ntswg ntawm qib cellular. Cov leeg ntshav yog cov hlab ntshav uas coj cov ntshav rov qab los rau hauv lub plawv thiab tso ntshav tawm ntawm cov kabmob thiab cov ceg
Puas yog Neuroglia tsim cov hlab ntsha hauv cov hlab ntsha hauv nruab nrab cov hlab ntsha?
Muaj plaub hom neuroglia pom nyob hauv nruab nrab lub paj hlwb: Astrocytes - tswj cov ntshav lub hlwb teeb meem thiab khaws cov tshuaj ib puag ncig los ntawm kev siv cov ions rov qab thiab cov tshuaj xa xov mus rau lub cev. Oligodendrocytes - myelinate axons nyob rau hauv lub hauv nruab nrab lub paj hlwb thiab muab tag nrho cov txheej txheem txheej txheem
Vim li cas peb thiaj sau cov ntshav los ntawm cov hlab ntsha thiab tsis yog los ntawm cov hlab ntsha?
Cov leeg yuav tsum tau li qub kom cov ntshav ntws mus rau lub plawv. Theses li qub yog qhov tshwj xeeb hauv ob txhais ceg thiab caj npab. Lawv tawm tsam lub ntiajteb txawj nqus los tiv thaiv cov ntshav rov qab los. Cov hlab ntsha tsis xav tau li qub vim tias lub siab los ntawm lub plawv ua kom cov ntshav ntws los ntawm lawv mus rau ib qho
Puas yog cov hlab ntsha uas muaj oxygenated ntshav lossis cov hlab ntsha?
Cov hlab ntsha tau pom tias yog nqa cov ntshav oxygenated mus rau cov ntaub so ntswg, thaum cov leeg nqa cov ntshav deoxygenated rov qab mus rau lub plawv. Txawm li cas los xij, hauv txoj hlab ntsws, cov hlab ntsha nqa cov ntshav deoxygenated los ntawm lub plawv mus rau lub ntsws, thiab cov hlab ntshav rov qab ntshav los ntawm lub ntsws mus rau lub plawv