Cov ntiv tes puas yog daim tawv nqaij tuag?

Cov txheej txheem:

Cov ntiv tes puas yog daim tawv nqaij tuag?
Cov ntiv tes puas yog daim tawv nqaij tuag?
Anonim

Koj cov ntsia hlau pom tuag Thaum cov hlwb tshiab loj tuaj, lawv thawb cov qub los ntawm koj daim tawv nqaij. Qhov koj tuaj yeem pom muaj cov hlwb tuag. Vim li ntawd thiaj tsis mob txiav koj cov rau tes.

Cov ntsia hlau puas yog pob txha lossis tawv nqaij?

rau tes yog ua los ntawm cov keratin tuag, uas yog ib qho nyuaj protein. Keratin tsis yog't technically daim tawv nqaij, txawm hais tias nws pom nyob rau hauv daim tawv nqaij (nrog rau cov plaub hau).

tus ntiv tes yog dab tsi?

Nails lawv tus kheej yog ua los ntawm keratin (hais: KAIR-uh-tin). Nov yog tib yam uas koj lub cev siv los tsim cov plaub hau thiab txheej saum toj kawg nkaus ntawm koj daim tawv nqaij.

Puas yog koj cov plaub hau thiab ntsia hlau tuag lawm?

Koj yuav pom tias nws xav tsis thoob thaum paub tias cov keratin uas koj pom hauv koj cov tawv nqaij, plaub hau thiab rau tes yog tiag tiag tsuas yog cov keratin uas tuag lawm, cov keratin muaj sia nyob hauv cov hlwb tsim tawm hauv koj lub cev thiab ces thawb tawm ntawm qhov chaw.

Cov rau tes puas muaj ntau txheej txheej ntawm cov hlwb tuag?

Tus ntsia thawv lub cev yog tsim los ntawm densely packed tuag keratinocytes. … Tus ntsia thawv txaj yog nplua nuj nyob rau hauv cov hlab ntsha, ua rau nws tshwm liab, tshwj tsis yog nyob rau hauv lub hauv paus, qhov twg ib tug tuab txheej ntawm epithelium hla tus ntsia thawv matrix tsim ib tug crescent-zoo li tus cheeb tsam hu ua lub lunula ("lub hli me ntsis").

Pom zoo:

Nthuav cov khoom
Daim ntawv teev cov neeg them nyiaj tsis txaus yog dab tsi?
Nyeem ntxiv

Daim ntawv teev cov neeg them nyiaj tsis txaus yog dab tsi?

Cov neeg them nyiaj tsis txaus yog suav tias yog cov tib neeg raws li txoj cai them nyiaj yug menyuam, tab sis leej twg tsis tau them rau lub hlis dhau los. Cov niam txiv uas tau teev tseg hauv qab no tau khiav tawm tag nrho lub tuam tsev kev siv zog los sau cov ntawv txiav txim hauv tsev hais plaub.

Lub sijhawm yug me nyuam kev txawj ntse?
Nyeem ntxiv

Lub sijhawm yug me nyuam kev txawj ntse?

Ib txhia feem ntau paub ua rau kev tsis taus kev txawj ntse - xws li Down Syndrome, fetal alcohol syndrome, fragile X syndrome, caj ces, kev yug me nyuam, thiab kab mob - tshwm sim ua ntej yug.. Lwm yam tshwm sim thaum tus me nyuam yug los los sai tom qab yug me nyuam.

Dromos sawv cev rau dab tsi?
Nyeem ntxiv

Dromos sawv cev rau dab tsi?

noun, plural drom·oi [drom-oi, droh-moi]. Archaeology. ib tug passageway mus rau lub ancient subterranean qhov ntxa. ib tug racetrack nyob rau hauv ancient Greece. Dromos txhais li cas? Greek dromos, racecourse, course, public walk.