Puas yog plab hnyuv ib lub cev?

Cov txheej txheem:

Puas yog plab hnyuv ib lub cev?
Puas yog plab hnyuv ib lub cev?
Anonim

Cov nyuv tseem hu ua lub plab loj lossis txoj hnyuv loj. Nws yog ib lub cev uasyog ib feem ntawm lub plab zom mov (tseem hu ua lub plab zom mov) hauv tib neeg lub cev. Lub plab zom mov yog pab pawg ntawm cov kabmob uas tso cai rau peb noj thiab siv cov zaub mov uas peb noj los txhawb peb lub cev.

Puas yog txoj hnyuv me puas yog lub cev?

Cov kab ke no suav nrog tsis yog lub plab, cov hnyuv me, thiab cov hnyuv loj, uas txav thiab nqus cov khoom noj, tab sis cov kab mob cuam tshuam xws li pancreas, siab, thiab gallbladder, uas tsim cov enzymes digestive, tshem tawm co toxins, thiab khaws cov tshuaj. tsim nyog rau digestion.

8 lub plab zom mov yog dab tsi?

Lub cev tseem ceeb uas ua rau lub plab zom mov (raws li lawv txoj haujlwm) yog lub qhov ncauj, esophagus, plab, hnyuv me, plab hnyuv loj, qhov quav thiab qhov quav. Pab lawv raws txoj kev yog txiav txiav, gall zais zis thiab daim siab. Nov yog li cas cov kabmob no ua haujlwm ua ke hauv koj lub plab zom mov.

Ib leeg puas yog leeg?

Cov hnyuv yog lub cev nqaij daim tawv uas txuas los ntawm qis kawg ntawm koj lub plab mus rau koj lub qhov quav, qhov qhib ntawm lub plab zom mov. Nws tseem hu ua lub plab lossis lub plab.

Koj lub plab puas zom nws tus kheej yam tsis muaj hnoos qeev?

QHOV CHAW tsis zom nws tus kheej vim nws yog kab nrog cov hlwb epithial, uas tsim cov mucus. Qhov no ua rau muaj kev cuam tshuam ntawm lub plab ntawm lub plab thiab cov ntsiab lus. Enzymes, uas ua ib feem ntawm covdigestive kua txiv kuj secreted los ntawm lub plab phab ntsa, los ntawm cov qog uas tsis muaj mucus barrier.

Pom zoo:

Nthuav cov khoom
Puas talcum hmoov yaj hauv dej?
Nyeem ntxiv

Puas talcum hmoov yaj hauv dej?

Talc yog xyaum insoluble hauv dej, dilute ntxhia acids, thiab dilute daws ntawm alkali halides thiab alkaline hydroxides. Nws yog soluble hauv kub concentrated phosphoric acid. Vim li cas talcum hmoov tsis yaj hauv dej? Tsim Hauv Tsev.

Vim li cas thiaj siv schlieren photography?
Nyeem ntxiv

Vim li cas thiaj siv schlieren photography?

Schlieren kev yees duab yog txheej txheem pom kev uas yog siv los yees duab cov dej ntws ntawm qhov sib txawv. Tsim los ntawm German physicist lub yim hli ntuj Toepler nyob rau hauv 1864 los kawm supersonic motion, nws yog dav siv nyob rau hauv aeronautical engineering los yees duab cov ntws ntawm huab cua nyob ib ncig ntawm cov khoom.

Yuav rov hais dua email li cas?
Nyeem ntxiv

Yuav rov hais dua email li cas?

Koj tuaj yeem sim: "Kuv tab tom ua raws li hauv qab no" lossis "Ua raws li qhov no [thov / nug / haujlwm]" "Kuv rov qab rau hauv qab no" lossis "Circling rov qab rau ntawm no [thov / nug / assignment]