Numfashi

Wadatacce

• Bayani

Bayani

Huhu biyu sune gabobin farko na tsarin numfashi. Suna zaune hagu da dama na zuciya, a cikin sararin samaniya da ake kira kogon thoracic. An kiyaye ramin ta wurin keji. Takaddun tsoka da ake kira diaphragm yana hidimtawa sauran sassan hanyoyin numfashi, irin su trachea, ko windpipe, da bronchi, suna yin iska zuwa huhu. Yayinda membran jikin murfin, da ruwan durin, ya baiwa huhu damar motsawa cikin kwanciyar hankali.

Hanyar numfashi, ko numfashi, ya kasu kashi biyu. Ana kiran matakin farko wahayi, ko shakar numfashi. Lokacin da huhu shakar numfashi, diaphragm ya yi kwanciya ya ja zuwa ƙasa. A lokaci guda, tsokoki tsakanin haƙarƙarin sun haɗu kuma su ja zuwa sama. Wannan yana kara girman kogon thoracic kuma yana rage karfin a ciki. A sakamakon haka, iska na shiga da cika huhu.

Fasali na biyu ana kiran sa ƙarewa, ko kuma fitar da numfashi. Lokacin da huhu ya fitar da iska, diaphragm din yana annashuwa, kuma karfin kogon thoracic yana raguwa, yayin da matsin dake cikinsa ya karu. A sakamakon haka, huhun yana takurawa da iska ana fitar da shi waje.

• Matsalar Numfashi
• Cututtukan huhu
• Alamomin Mahimmanci