Mlembi: Janice Evans
Tsiku La Chilengedwe: 26 Kulayi 2021
Sinthani Tsiku: 1 Epulo 2025
Anonim
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Kanema: South Sea Pearl Indonesia phn/WA: +62-878-6502-6222 pearl wholesale Ngale za South Sea ku Indonesia

Zamkati

Sewerani kanema wathanzi: //medlineplus.gov/ency/videos/mov/200098_eng.mp4Kodi ichi ndi chiani? Sewerani kanema wathanzi ndi mawu omvekera: //medlineplus.gov/ency/videos/mov/200098_eng_ad.mp4

Chidule

Wamkulu wamkulu amakhala ndi pafupifupi mapaundi 6 a khungu okutidwa ndi mapazi 18, ndikupangitsa khungu kukhala chiwalo chachikulu cha thupi. Tiyeni tiwone momwe khungu limayikidwa palimodzi. Khungu lili ndi zigawo zitatu. Mzere wapamwamba ndi epidermis. Imateteza zigawo zina zakunja. Muli maselo omwe amapanga keratin, yomwe imalepheretsa madzi komanso kumalimbitsa khungu. Epidermis imakhalanso ndi maselo okhala ndi melanin, mtundu wakuda womwe umapatsa khungu mtundu wake. Maselo ena omwe ali mu epidermis amatilola kuti timve kukhudzidwa ndikupereka chitetezo chokwanira motsutsana ndi omwe amabwera ngati mabakiteriya ndi majeremusi ena.

Mzere wapansi ndi hypodermis. Muli ma cell amafuta, kapena minofu ya adipose, yomwe imakhazikika m'thupi ndikuthandizira kuteteza kutentha. Pakati pa epidermis ndi hypodermis pali dermis. Lili ndi maselo omwe amapereka khungu mphamvu, kuthandizira, komanso kusinthasintha.Pamene tikukalamba, maselo am'mimba amataya mphamvu ndi kusinthasintha, ndikupangitsa khungu kutaya mawonekedwe achichepere.


Dermis ili ndi zolandilira zamagetsi zomwe zimalola kuti thupi lilandire kukwezedwa kuchokera kunja ndikumamva kupsinjika, kupweteka, ndi kutentha.Mitsempha yamagazi imapatsa khungu zinthu zopatsa thanzi, ndikuchotsa zonyansa.

Zilonda zam'mimba zimatulutsa mafuta omwe amachititsa kuti khungu lisaume. Mafuta ochokera kuzilonda zolimba amathandizanso kufewetsa tsitsi ndikupha mabakiteriya pakhungu.

Zotupitsa izi zimaphimba thupi lonse, kupatula zikhatho za manja ndi mapazi.

  • Zinthu Zakhungu

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