Mary Allen
Numfashi game da yadda dabbobi ke samun iskar oxygen. Oxygen yana cikin iska da ruwa. Dabbobi suna samun iskar oxygen ta hanyoyi daban-daban. Ba tare da numfashi ba, kowane dabba ya mutu bayan ɗan gajeren lokaci.
Dabbobi masu shayarwa, har da mutane, suna shaka da huhunsu. Huhu yana tsotsa iska ya sake fitar da shi. Oxygen yana shiga cikin jini a cikin alveoli mai kyau. Jinin yana ɗaukar iskar oxygen zuwa sel kuma yana ɗaukar carbon dioxide dashi. Yana tafiya daga jini zuwa iska a cikin huhu kuma yana barin jiki yana numfashi. Don haka, ban da dabbobi masu shayarwa, amphibians, dabbobi masu rarrafe, tsuntsaye da wasu nau'ikan katantanwa suna numfashi.
Kifi yana numfashi ta gills. Suna tsotsar ruwa suna barin shi ya zamewa cikin ƙugiya. Fatar can tana da sirara sosai kuma tana da jijiyoyi da yawa. Suna samun iskar oxygen. Akwai sauran dabbobin da suke shaka kamar haka. Wasu suna rayuwa a cikin ruwa, wasu a ƙasa.
Wata yuwuwar ita ce numfashi ta hanyar tracheae. Waɗannan bututu ne masu kyau waɗanda ke ƙarewa a wajen dabbar. Suna buɗe a can. Iska ta shiga cikin tracheae kuma daga nan zuwa cikin jiki duka. Wannan shine yadda kwari, millipedes, da wasu nau'in arachnids ke shaka.
Akwai wasu nau'ikan numfashi da yawa. Mutane kuma suna shaka kadan ta fatar jikinsu. Akwai kuma kifin kasusuwa masu shakar iska. Tsire-tsire daban-daban kuma suna iya numfashi.
Menene numfashin wucin gadi?
Lokacin da mutum ya daina numfashi, ƙwayoyin kwakwalwa na farko suna mutuwa bayan ɗan lokaci. Wannan na iya nufin cewa mutum ba zai iya yin magana ko motsi da kyau bayan haka, misali.
Numfashi na iya tsayawa lokacin da wutar lantarki ta kama mutum ko ta wasu abubuwan. Shi ma ba zai iya yin numfashi a karkashin ruwa ba. Tare da maganin sa barci, numfashi kuma yana tsayawa. Don haka dole ne ka ba mutane iska ta hanyar wucin gadi don su kasance da rai.
A cikin hatsari ko kuma lokacin da mutum ya nutse, ana hura iska ta hanci zuwa cikin huhu. Idan hakan bai yi tasiri ba, shaƙa ta baki. Dole ne ku koyi hakan a cikin kwas don yin aiki. Dole ne mutum ya rike kan mara lafiya da kyau kuma ya kula da wasu abubuwa da yawa.
A lokacin tiyatar da ake yi a ƙarƙashin maganin sa barci na gabaɗaya, likitan maganin sa barci yana sanya bututu a cikin makogwaro ko kuma sanya abin rufe fuska na roba a baki da hanci. Wannan yana ba shi damar ba da iska ga majiyyaci yayin aikin.