A numfashi cibiyar aka located a cikin ƙananan ɓangare na mutum kwakwalwa

Daya daga cikin rai ceton ayyuka na jikin mutum ne numfashi aiki. Wannan physiological sakamako ne cikakken mai sarrafa kansa da kuma kayyade CNS (tsakiya m tsarin), via numfashi cibiyar. A numfashi cibiyar aka located a cikin ƙananan ɓangare na kwakwalwa. Lokacin da Allaha, wani m mutum ba ya lura da numfashi, ko ciko da huhu da iska (inspiration), sa'an nan sakewa su daga riga cika na yanayi iska (exhalation) - da tsari ne quite hadaddun, tare da rhythmic ƙungiyoyi na intercostal tsokoki da kuma diaphragm tsoka. Tambayar da inda numfashi cibiyar, ya dade a batu na muhawara a cikin kimiyya yanayi, kamar yadda numfashi aiki na jiki na da yawan physiological sunadaran da za a iya sarrafawa daga biyun da kwakwalwa da kuma laka.

Numfasawa da metabolism

Numfashi na samar da jiki na rayuwa gas musayar, wanda ya shafi biyu sinadaran mahadi: oxygen (O2) da carbon dioxide (CO2). Tare da wani wuce haddi na jini carbon dioxide CNS aika wani bugun jini da cewa activates da numfasawa, da oxygen wadata aka ƙara. Conversely, a cikin hali na supersaturated oxygen jiki ne braked numfashi aiki gajartatattun thorax rage-rage, da kuma oxygen fara daga ƙarƙashinsu a cikin jini a wani m adadin. Saboda haka, jiki yana goyan bayan da ma'auni na gas musayar.

15 lashe minti daya

A rahoton da ta tsakiya m tsarin biyu kungiyoyin na neurons, su ne a cikin numfashi cibiyar da numfashi cibiyar located in abin da ake kira medulla oblongata. Duka kungiyoyin na neurons yi daya aiki, kuma wannan aiki kunshi sassa biyu, na inhalation da exhalation. Na farko da kungiyar hada inspiratory neurons alhakin numfashi, da kuma na biyu kungiyar - expiratory neurons alhakin exhalation. Dukansu suna kunna alternately aika hatsaisai ma'aikata a wani kari (yawanci 15 cuts daga cikin kirji a minti daya), wadda tabbatar da wani ganiya gas musayar gwamnatin a cikin jiki. A hatsaisai ratsa pnevmotaksichesky cibiyar dake a cikin sassa na kwakwalwa kira "pons", wanda yake shi ne sama da medulla oblongata. Tun lokacin da na numfashi cibiyar kanta dake a cikin sashen na medulla oblongata, jiki yana da wani hadadden biyu-mataki watsa daga hasken dake fitowa.

numfasawa

M inspiratory neurons isa intercostal tsokoki da kuma dalili shi to ji ƙyama, yayin da kuma fara ji ƙyama da diaphragm tsoka. Numfashin auku wanda kai oxygen zuwa ga jiki rabo daga wani. Lokacin da ka sha taba huhu fadada a tashin zo rabe dake a cikin huhu lobes. Su, bi da bi, ya aika da hasken dake fitowa zuwa medulla oblongata. Numfashi cibiyar sami hasken dake fitowa, kuma ya jũya su a cikin wani birki ga inspiratory neurons cewa rasa aiki. M fara expiratory neurons na numfashi cibiyar. Su sa a dauki kungiyar na tsokoki alhakin ƙanƙancewa daga cikin kirji, kuma ta haka akwai wani exhalation.

Motsin zuciyarmu, da numfashi,

Bugu da kari ga inspiratory da expiratory neurons a cikin numfashi tsari ne ya rinjayi wasu dalilai. Tun lokacin da na numfashi cibiyar aka located in daya daga cikin sassa na kwakwalwa, shi ne ya rinjayi mutane da yawa confounding dalilai. Numfashi na iya zama mafi m daga jiki aikinsa, wani tunanin wahala, tsoro ko hatsari. The aiki na numfashi cibiyar ne ma dogara a kan hormonal matsayi da kwayoyin. Amma a cikin wani akwati akwai tsari na tafiyar matakai na rayuwa a cikin jikin mutum da jini oxygen enrichment.