2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Kab laug sab, zoo li feem ntau cov arthropods, muaj qhov qhib circulatory system, piv txwv li, lawv tsis muaj ntshav tiag, lossis cov hlab ntsha uas thauj nws. Hloov chaw, lawv lub cev tau ntim nrog haemolymph, uas tau tso los ntawm cov hlab ntsha los ntawm lub plawv mus rau hauv qhov chaw hu ua sinuses nyob ib puag ncig lawv cov kabmob sab hauv.
Hnub arachnid ntshav hu ua dab tsi?
kab laug sab cov ntshav, hu ua hemolymph, circulates oxygen, as-ham thiab cov tshuaj hormones rau ntau yam kabmob hauv lub cev. Tsis zoo li tib neeg, kab laug sab muaj qhov qhib circulatory system.
kab laug sab puas muaj hlwb?
Discovery tuaj yeem piav qhia me me arachnids 'web-weaving prowess, txoj kev tshawb fawb hais tias. Lawv tsis rog, lawv tsuas yog lub hlwb loj xwb: Cov kab laug sab me me muaj lub hlwb loj rau lawv lub cev qhov loj me uas cov kabmob tuaj yeem cuam tshuam rau tsiaj lub cev kab noj hniav, txoj kev tshawb fawb tshiab qhia.
Pob kab laug sab muaj ntshav hauv lawv ob txhais ceg?
Txhua yim ceg txuas rau pem hauv ntej ntawm kab laug sab, prosoma lossis cephalothorax, uas tseem nqa lub qhov muag thiab qhov ncauj. Nyob rau hauv lub prosoma muaj ib tug kua hu ua hemolymph uas yuav siv sij hawm qhov chaw ntawm ntshav. Zoo li peb cov ntshav, nws yog lub cev thauj khoom, nqa oxygen thiab cov as-ham.
Pob kab laug sab muaj ntshav hemolymph?
kab laug sab muaj ncig cov ntshav hauv lawv lub cev. Cov ntshav tsis muaj xim, hu ua hemolymph, thauj khoom noj khoom haus, cov tshuaj hormones, oxygen thiab hlwb. Cov ntshav kuj ua haujlwm rau lwm lub hom phiaj. Nws yog siv hauv zos los txhawb cov ntshav siabthaum lub sij hawm moulting (shdding ntawm daim tawv nqaij laus) thiab ncab ob txhais ceg.
Pom zoo:
Koj puas ntaus pob ncaws pob ntawm lub tshav pob ntaus pob?
One Pickleball Court rau Tennis Court Txoj hauv kev yooj yim tshaj plaws yog kom txo qis ntawm qhov ntaus pob tesniv rau 34 "hauv nruab nrab. Cov kab yuav raug kaw los yog pleev xim rau ntawm lub tsev hais plaub rau pickleball (ib txwm kuaj nrog lub chaw ua ntej).
Puas yog arachnids txias ntshav?
Kab laug sab yog "txias-kub" thiab tsis nyiam qhov sov. Lawv tsis tshee los yog tsis xis nyob thaum nws txias, lawv tsuas yog tsis tshua muaj zog thiab thaum kawg, dormant. Feem ntau cov kab laug sab kub muaj txaus "tiv thaiv"
Cov ntshav thiab ntshav puas muaj kev sib tw?
Lub Plaub Hlis Ntuj xyoo 1992, Crips thiab Ntshav hauv Watts cov zej zog nyob rau yav qab teb Los Angeles tau sib tham rau kev sib haum xeeb. … Lub Plaub Hlis 28, 1992, cov neeg sawv cev ntawm plaub pawg neeg loj leeb no tau kos npe rau daim ntawv cog lus kev thaj yeeb nyab xeeb ntawm lub tsev teev ntuj hauv Watts.
Puas yog lub pob txha pob txha pob txha pob txha?
CONCLUSIONS: vertebral endplate raug mob feem ntau pom hauv osteoporotic vertebral compression fractures. Dab tsi ua rau lub pob txha tawg? Nws yog kev xav tias, nyob rau hauv ntau qhov mob ntawm qhov mob qis qis, thawj qhov ua rau mob yog pob txha ntawm pob txha caj qaum los ntawm compression rog.
Puas muaj mob qog ntshav ntshav tuaj yeem tiv thaiv?
Sickle cell anemia yog ib yam kab mob uas tau los ntawm cov ntshav. Vim nws yog ib yam kab mob uas ib tug neeg yug los, tsis muaj txoj hauv kev los tiv thaiv tus kab mob, yog li cov kws tshawb fawb niaj hnub tshawb nrhiav txoj hauv kev kom tus kab mob no tuaj yeem nres ua ntej nws kis mus rau lwm tiam neeg.