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Kufema: Zvaunofanira Kuziva

Kufema kunoreva kuti mhuka dzinowana sei oxygen. Oxygen iri mumhepo uye mumvura. Mhuka dzinowana oxygen yadzo nenzira dzakasiyana. Pasina kufema, mhuka yese inofa mushure menguva pfupi.

Mhuka dzinoyamwisa, kusanganisira vanhu, dzinofema nemapapu adzo. Bapu rinosveta mumhepo uye rinoriburitsa zvakare. Okisijeni inopinda muropa mualveoli yakanaka. Ropa rinotakura okisijeni kumasero uye rinotora carbon dioxide naro. Inofamba kubva muropa kuenda kumhepo mumapapu uye inosiya muviri uchifema. Saka, kuwedzera kune zvinoyamwisa, amphibians, zvinokambaira, shiri uye mamwe marudzi ehozhwa anofema.

Hove dzinofema nemumagill. Vanosveta mvura voirega ichitsvedza nemumagaro avo. Ganda riripo rakatetepa chaizvo uye rine tsinga dzakawanda. Vanotora oxygen. Kune dzimwe mhuka dzinofema seizvi zvakare. Vamwe vanogara mumvura, vamwe panyika.

Imwe nzira kufema kuburikidza netracheae. Aya machubhu akanaka anopera kunze kwemhuka. Vakashama ipapo. Mhepo inopinda mu tracheae uye kubva ipapo kupinda mumuviri wose. Aya ndiwo mafemero anoita zvipembenene, millipedes, uye mamwe marudzi emaarachnids.

Kune mamwe marudzi akawanda ekufema. Vanhu vanofemawo zvishoma kuburikidza neganda ravo. Kunewo hove dzemabhonzo dzinofema mweya. Miti yakasiyana inogona kufema zvakare.

Chii chinonzi kufema kwekugadzira?

Kana munhu amira kufema, masero europi ekutanga anofa mushure menguva pfupi. Izvi zvinogona kureva kuti munhu wacho haachagoni kutaura kana kufamba zvakanaka pashure, somuenzaniso.

Kufema kunogona kumira kana munhu abatwa nemagetsi kana nezvimwe zviitiko. Haachagoni kufema pasi pemvura zvakare. Neaneshehesia, kufema kunomirawo. Saka iwe unofanirwa kupinza ventilate vanhu kuti varambe vari vapenyu.

Mutsaona kana kuti kana munhu akanyura mumvura, mweya unopeperetswa nomumhino mumapapu ake. Kana izvozvo zvikasashanda, fema nemuromo. Iwe unofanirwa kudzidza izvozvo mukosi kuti zvishande. Munhu anofanira kubata musoro wemurwere zvakanaka uye kuteerera zvimwe zvinhu zvakawanda.

Panguva yokuvhiyiwa pasi peanesthesia yenguva dzose, chiremba wokutindivadza anoisa chubhu pahuro yemurwere kana kuisa mask yerabha pamuromo nemumhino. Izvi zvinoita kuti akwanise kupinza mweya wemurwere panguva yekuvhiya.

Mary Allen

rakanyorwa Mary Allen

Mhoroi, ndini Maria! Ndakachengeta mhuka dzinovaraidza dzakawanda dzinosanganisira imbwa, katsi, guinea nguruve, hove, uye shato dzine ndebvu. Iniwo ndine gumi zvipfuwo zvangu pari zvino. Ndakanyora nyaya dzakawanda munzvimbo ino dzinosanganisira ma-to-tos, zvinyorwa zveruzivo, madhairekitori ekuchengetedza, madhairekitori emhando, nezvimwe.

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