Wace rawa a thermoregulation fata: abubuwan da peculiarities na aiwatar

A fata ne na musamman da sashin jiki na jikin mutum. Shi ne ta ke hidima a matsayin wata halitta shãmaki, kuma a mahada tsakanin shi da kuma a lokaci guda duk da muhalli dalilai. A wannan labarin, za mu dubi abin da fata rawa a thermoregulation. Kuma abin da wannan tsarin fasali, dole ne ka yi wannan aiki?

Human fata: tsarin fasali

Eh, da fata - yana da gaske jiki. Bugu da ƙari, cikin mafi girma a cikin jikin mutum. Its nauyi a fara tasawa ne uku zuwa kg, da kuma yankin zai iya zuwa har biyu murabba'in mita. Amma da kananan kauri daga cikin fata - 5 mm. Kuma a sassa daban daban na wannan darajar iya bambanta. Ya dogara da load. Inda shi ne babba, da fata ne thicker kuma coarser. Alal misali, a kan tafin kafa. Kuma inda a can ne kadan gogayya - sirara. A fata kuma da ya ƙunshi Kalam. A cikin mutane, shi ne gashi kuma kusoshi.

Skin aikin da muhimmanci ayyuka. Su ne m, na numfashi, excretory, na rayuwa da kuma roba. Amma don gane da abin da rawar da fata a thermoregulation, shi wajibi ne a yi la'akari da babban fasali na jiki tsari.

epidermis

A m Layer na fata ne da ake kira epidermis. An kafa cikakken lebur epithelial nama. Wannan Layer kunshi sassa biyu. A farko da aka kira a ƙaho. Shi ne mai yawa matattu Kwayoyin cewa an sloughed kashe a kowace rana. Amma fata ne thinner a lokaci guda ba ya zama. Kuma shi ya faru saboda Kakakin aka located a karkashin biyu Layer na epidermis - da sprout. Wannan shi ne wani live, kullum rarraba Kwayoyin cewa samar da wani ci gaba da aiwatar da fata farfadowa.

zahiri fata

Ƙarƙashin epidermis ne dermis, ko a fata kanta. Wannan connective nama ne m, forming tushen dukan fata. Yana da aka hada da collagen zaruruwa. Godiya ga wannan alama, na fata ne na roba da kuma ba ya karya karkashin wani ƙungiyoyi. Akwai kuma rabe cewa gane touch, zafi da zazzabi canji, jini da kuma Lymph tasoshi, gashi bags, gumi kuma sebaceous gland.

Subcutaneous adipose nama

A mafi zurfi fata Layer ma kunshi adipose nama tsakanin bim wanda mutum Kwayoyin suna located. Tare da wani gagarumin jari na gina jiki a cikin jiki kauri da wannan Layer za a iya ƙara zuwa dama santimita. Thermoregulation matakai, da kariya a kan inji lalacewa, da arziki na abinci a lokacin da drawbacks - Waɗannan su ne babban fasali na subcutaneous mai.

Mene ne jiki thermoregulation

Man ne mai dumin jiki dabba. Wannan yana nufin cewa jikinsa zafin jiki ne m, kuma m na canje-canje a cikin muhalli da yanayi. 36,6 digiri - cikin kudi dokoki da aka sani har zuwa yara. Features na mutum thermoregulation kuma suka kasance mãsu wannan nuna alama da kuma zafi zafi, da kuma matsanancin sanyi. Ta yaya ne wannan zai yiwu? The jiki ne kullum cinye kwayoyin abubuwa da bangare ne na rage cin abinci. Su suna karye, kuma sakamakon haka ne a thermal makamashi. A tsari ya kõma, ta yanayi faruwa bisa ga dokokin na lissafi. A iska zafin jiki ne yawanci ƙananan fiye da na jiki. Saboda haka, zafi zo daga yankin tare da mafi kudi a gaban shugabanci. watau kadan ba jiki. A sakamakon haka, da ɗan adam da kuma yawan zafin jiki ya rage m. Mene ne muhimmancin da fata a thermoregulation? Yana da wannan jiki kayyade tsanani da tsari. A cikin yanayin zafin jiki na fata fusata kuma yana farawa thermoreceptors reflex dauki zafi tsare. Ga yadda ake yi: da jini dake a cikin dermis, an quntata, kasa jini gudana da kuma zafi canja wuri kudi tayi.

A dagagge yanayin zafi, a lokacin motsa jiki thermoregulation inji ne da za'ayi daban. A wannan yanayin, jiki yana bukatar biya wani adadin zafi don kauce wa da zafi fiye da kima. A irin wannan yanayi, da rabe suna kara kuzari wani irin. Sũ ba su sani zafi, sakamakon jijiya turu ya auku da kuma wani m reflex dauki. Shi ya ta'allaka ne da cewa kayayyakin fata dilate, da fata sami wani babban adadin jini da kuma zafi canja wuri kudi ƙaruwa. Saboda haka, mutum jiki ne kullum biyu gaban tafiyar matakai gudana. A farko daga cikin wadannan da aka kira da zafi tsara. Shi ne saboda tsakiyan nonon na macromolecular kwayoyin abubuwa. Na biyu - zafi. Yana daukawa fitar da fata da kuma numfashi tsarin. Bambanci tsakanin wadannan biyu matakai ne ake kira thermoregulation.

Mene ne muhimmancin thermoregulation

The darajar da aiki na jiki thermoregulation overemphasized. Tunanin cewa jikin mu zafin jiki ya dogara da yanayi. Sa'an nan, a cikin tsanani zafi jiki zai kawai a kashe shi saboda furotin ne mafita halakar a zazzabi na + 42 digiri. A karkashin wadannan yanayi, da aiwatar da su halaka - take hakkin da mutunci da sarkar amino acid. In ba haka ba da jini zai kawai daskarewa a tasoshin saboda ta intercellular abu - jini, 99% na ruwa. Amma wannan ba ya faru ta hanyar da aikin hadewa fata da kuma juyayi tsarin. Amma ba kawai zazzabi rinjayar thermoregulation. Lalle ne, duk da jarrabawa tashin hankali sweating dabĩnai da hannuwanku. Me ya sa wannan magana? The abu ne cewa, jihar na tsoron endocrine gland asirce hormones a cikin jini rafi, wanda kai ga vasodilation kuma, kamar yadda wani sakamako, kara zafi canja wuri.

Mun gani, abin da rawar da fata a cikin jiki thermoregulation. Wannan jiki ma'aunan da rasit da zafi fitarwa, don tabbatar da haƙuri da jiki zafin jiki na da dumin jiki kwayoyin.