Pob arthropods puas muaj lub hauv paus paj hlwb?

Cov txheej txheem:

Pob arthropods puas muaj lub hauv paus paj hlwb?
Pob arthropods puas muaj lub hauv paus paj hlwb?
Anonim

Lub hauv paus paj hlwb ntawm arthropods yog segmented thiab tuaj yeem faib ua ntu zus rau hauv lub hlwb, nyob rau hauv lub taub hau ntawm qhov kawg ntawm qhov kawg, thiab ventral paj qaum hla ntawm lub taub hau. mus rau caudal kawg, lub plab (Daim duab 1).

Lub paj hlwb dab tsi ua rau arthropods muaj?

Lub paj hlwb arthropod muajlub paj hlwb dorsal thiab lub ventral, ganglionated longitudinal paj qaum (thaum ua khub)los ntawm cov hlab ntsha sab nraud ntawm txhua ntu. Lub kaw lus zoo ib yam li cov kab mob annelid, uas cov arthropods tau hloov zuj zus.

Puas yog txhua tus arthropods muaj ventral paj qaum?

Ventral paj qaum muaj nyob rau hauv qee phyla ntawm cov bilaterians, tshwj xeeb tshaj yog nyob rau hauv cov nematodes, annelids thiab arthropods. VNCs tau kawm zoo nyob rau hauv kab, thiab lawv tau piav qhia nyob rau hauv ntau tshaj 300 hom npog tag nrho cov kev txiav txim loj.

Yuav ua li cas cov tsiaj muaj lub hauv paus paj hlwb?

Txhua tus tsiaj muaj lub paj hlwb tiag tiag tshwj tsis yog hiav txwv sponges. Cnidarians, xws li jellyfish, tsis muaj lub hlwb tiag tiag tab sis muaj cov kab ke sib cais tab sis txuas nrog cov neurons hu ua paj hlwb. Echinoderms, xws li cov hnub qub hiav txwv, muaj cov neurons uas tau ntim rau hauv fibers hu ua paj hlwb.

Dab tsi yog kev ua haujlwm ntawm lub paj hlwb hauv arthropods?

Lawv muaj sia nyob zoo li no vim yog cov hlab ntsha tawg uas khiav raws qhov ntev ntawm lub cev arthropod, ntauntawm uas ua si ib yam li lub luag hauj lwm muaj zog li lub hlwb hauv paj hlwb. Cov hlab ntsha ventral thiab commissures kis thiab sib koom cov lus los ntawm ib ncig ntawm arthropod lub cev.

Pom zoo:

Nthuav cov khoom
Yuav tsum kho tus thawj coj yuav tsum hyphenated?
Nyeem ntxiv

Yuav tsum kho tus thawj coj yuav tsum hyphenated?

AP Cov Lus Qhia ntawm hyphenation ntawm lub npe Kev nkag mus rau hauv 2002 AP Stylebook hais txog lub hyphenating ntawm lub npe yog raws li nram no: " Editor in Chief: Ua raws li cov qauv ntawm kev tshaj tawm, tab sis feem ntau, tsis muaj hyphens.

Qhov hluav taws xob reverberating nyob qhov twg?
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Qhov hluav taws xob reverberating nyob qhov twg?

Hom kev rov qab rov qab no muaj nyob hauv qhov chaw ua pa ua pa Chaw ua pa Lub chaw ua pa yog tsim los ntawm peb pawg ua pa loj ntawm cov neurons, ob qho hauv medulla thiab ib qho hauv cov pons. … Lub chaw ua pa yog lub luag hauj lwm rau tsim thiab tswj lub suab ntawm kev ua pa, thiab kuj kho qhov no hauv homeostatic teb rau kev hloov ntawm lub cev.

Yuav tsum yog ntug dej hiav txwv sab hnub tuaj yuav tsum muaj peev txheej?
Nyeem ntxiv

Yuav tsum yog ntug dej hiav txwv sab hnub tuaj yuav tsum muaj peev txheej?

Thaum xa mus rau ib cheeb tsam tshwj xeeb, koj yuav tsum sau cov lus East Coast xws li "Kuv tabtom mus rau Sab Hnub Tuaj" vim "East Coast" yog lub npe tsim nyog hauv qhov no. Txawm li cas los xij, yog tias koj xa mus rau thaj chaw dav dav, xws li "