Imisebenzi yangaphandle

Uma unamathela emithethweni yokuphila enempilo, cishe ugxile ekubhekisweni okuvamile kumaphephandaba mayelana nezinzuzo zokuzijabulisa kwangaphandle. Futhi uyazi yini umphumela wezempilo wale fomu yenhlangano yesikhathi samahhala? Kungani ukuzilibazisa evulekile kuyindlela engcono kakhulu yokuhlinzeka umzimba wethu ngendlela ejwayelekile yazo zonke izimpendulo zomzimba, futhi ngesikhathi esifanayo - isimo esihle sempilo kanye nezinga eliphakeme lokusebenza kahle?

Ukuphumula mahhala emva kwesikhathi somsebenzi emoyeni ovulekile, ngaleyo ndlela siqinisekisa ukutholakala okudingekayo kwe-oksijini emzimbeni wethu. Ama-molecule alo mzimba ayadingeka kakhulu ohlelweni olujwayelekile lwezinqubo zezinto eziphilayo, lapho amandla akhishwa khona emzimbeni womuntu. Ngokuvamile emoyeni ovulekile, thina ngokwethu sizolahlekelwa umoya we-oxygen. Lokhu kungaholela kuphi?

Okokuqala, ukuthola amandla okudingeka enze izenzo ezihlukahlukene ngomzimba wethu (kokubili ukuzivocavoca umzimba nomsebenzi wengqondo), umuntu kufanele adle izakhi eziningi ezihlukahlukene nsuku zonke. Phakathi kwezingxenye ezibaluleke kakhulu zokudla kungase kuthiwe amaprotheni, amafutha kanye nama-carbohydrate. Uma zihlukaniswa, ama-molecule e-oxygen asetshenziswa. Ngokuvamile emoyeni ovulekile, sithola inani elanele lalo mshisa wegazi. Kodwa uma umuntu esichitha isikhathi esiningi esebenza ehhovisi eligxilile futhi ngisho nangesikhathi sokuphumula akashiyi izindonga zendlu yakhe, ngakho-ke, ngokulandelana, ngokudla okunciphise kwe-oksijini emzimbeni, ukwehlukaniswa kwezakhi ezinikezwa ukudla akukenzeki kakhulu. Ngesikhathi esifanayo, ukudla kuyingozi nakakhulu, isisindo somzimba esiningi ngokweqile sibonakala, futhi izinqubo zokuvuthwa kwe-putrefactive emathunjini zikhula. Ukuphumula emoyeni omusha, sinikeza ijubane elidingekayo le-oxydation yabahlinzeki bamandla abakhulu emzimbeni wethu - ama-carbohydrate namafutha.

Okwesibili, ngokuhlale uhlala emakamelweni ahlanzekile, i-hemoglobin ibopha igazi elingaphansi kwe-oksijeni, elibhebhethekisa ukunikezwa kwamaseli ezinhlobonhlobo ezahlukene nalezi zinto. Ukungabi nomoya omusha kunomthelela ekuthuthukiseni indlala ye-oksijeni, egcwele ukuphazamiseka emisebenzini yezitho ezihlukahlukene zomzimba futhi kungaholela ekubukeni kwezifo ezibi kakhulu.

Okwesithathu, ngokungazinaki isikhathi eside sokuphumula, ehlelwe emoyeni omusha, amandla omsebenzi womuntu wehla kalula. Iqiniso liwukuthi ubuchopho (isitho esibaluleke kakhulu ekulawuleni izenzo zomzimba) bubucayi kakhulu ekuntulekeni kwe-oxygen. Ngakho-ke, ukwehla ekusetshenzisweni kwalesi sitshalo esiphuthumayo kuholela ekuthuthukiseni ukukhathala okwenyuka nokubonakala kwezimpawu zesisu.

Ngaphezu kwalokho, ukuphumula emoyeni omusha, kufanele nje sithuthele futhi sisebenzise lokhu, sihlinzekele umzimba ngendlela ehlukahlukene yamaqembu omzimba omzimba. Umsebenzi wezimoto unomthelela ekulondolozeni ithoni ye-muscle, ithuthukisa ukunikezwa kwegazi kuzo zonke izitho zomzimba futhi ngaleyo ndlela kuqinisekiswe ukuthuthwa okufanele kwe-oksijini kuwo wonke amaseli nezicubu.

Njengoba ubona, ukuhlala emoyeni omusha ngesikhathi sokuphumula ngezimpelasonto noma kusihlwa emva kosuku lokusebenza kuzosiza ukubuyisela amandla omzimba ngokushesha ngangokunokwenzeka. Izinhlobo zemisebenzi engenziwa ngeloli holide, kuye ngokuthi indawo yokuhlala kanye nenkathi yonyaka, ingahluka kakhulu - ukugijima, ukudlala i-badminton, ukubhukuda, ukugijima noma ukuhamba nje. Uma ungenalo ithuba lokuphuma edolobheni, khona-ke ungahamba epaki eliseduze noma isikwele - ubuningi bezitshalo kulezi zindawo kunomthelela ekwakheni izinga eliphezulu le-oxygen emoyeni. Kodwa ukwenza ekuseni noma kusihlwa kusihlwa emgwaqweni omkhulu omatasa (ongabonakala kaningi emigwaqweni yamadolobha amakhulu) namanje akufanele kube. Phela, umoya ogcwele ukungcola okuvela emagayini okukhipha izimoto awukwazi ukubizwa ngokuthi uhlanzekile, futhi uma usebenza ngamapayipi ethu ngokuqinisekile uzothatha konke lokhu okulimazayo. Ngakho-ke, kungcono ukugijima emigwaqeni yezemidlalo noma, ngisho nakakhulu, ezindaweni ezidolobheni ezinezimila eziluhlaza.