UkubunjwaIsayensi

Emele umoya xi oluqhelekileyo

Wonke umntu uyazi ukuba iplanethi yethu ligutyungelwe umoya oko kukuthi inshorensi umoya, eliquka iigesi ezahlukeneyo ogama iimolekyuli bathanda uMhlaba. Ngoko ke, ezi zoleko umoya ephezulu ukufaka uxinzelelo kwi kweemaleko asezantsi, kwaye komhlaba kunye izinto zilahlwe kuyo. Ngenxa yoko, ubunzima umoya ubangela emoyeni xi yesiqhelo.

Imbali ngexesha lokufunyanwa womoya asuka ngenkulungwane elinesixhenxe, xa izazinzulu Torricelli lwaqhutywa imifuniselo kunye mercury. Ngenxa yomzamo, kwafunyaniswa ukuba ezinkulu ukuphakama ukwanda phezu komhlaba, inowuthi uxinzelelo lwegazi. Ngoko ke liqulunqe ifomula ukuba Ungabala ukuxhomekeka yengcinezelo ukuphakama lokuphakamisa phezu komhlaba.

Ngenxa yoko, uxinzelelo oluqhelekileyo womoya ngu 760 mm HG. Noko ke, womoya ingahluka ngokuxhomekeke indawo kunye nexesha kumphezulu womhlaba. Oku kubaluleke kakhulu ingakumbi xa kujongwa iimeko zemozulu ukuba sizibandakanya nophuhliso lwemimandla xi ophezulu ngok elihambayo air ubunzima kunye nengcinezelo aphantsi ngaphakathi.

Ngenxa yoko, yengcinezelo imozulu element ziyatshintsheka, kwaye ixhomekeke ukuphakama kwanokuxinana kumhlathi umoya nondiliseko ngendlela ethile indawo kunye nexesha lekhefu. Kodwa ke, nangona Ukwahluka, umlinganiselo ixabiso ngenyanga uxinzelelo lomoya phezu komhlaba kulo nyaka wonke. Ukusondela-ikhweyitha, uxinzelelo lwegazi asezantsi, ngoko ke Kungaphikiswa ukuba intsebenzo yayo ichaphazela indawo okuyo le ndawo, ixesha lonyaka kunye nexesha losuku. Ngenxa yoko, uxinzelelo oluphezulu umoya waphawula ngentsimbi yeshumi kusasa nangokuhlwa, lo gama i-ubuncinane - ngentsimbi yesithathu kusasa nasemva kwemini.

Mntu uthi le womoya kuyahlukana nedlela ukuphakama phezu iimeko Umhlaba kunye nemozulu, ngoxa uxinzelelo oluqhelekileyo umoya njalo.

blood pressure kulinganiswa izixhobo ezikhethekileyo, nezaziwa barometers ezifanayo kubume kwifowuni Torricelli, wathola kwinzululwazi. Avareji Pressure (mm HG), nako kulinganiswa ngokusebenzisa le sixhobo. Mercury Barometer yokufundwa uxinzelelo echanekileyo, i ethile kuphela kuthathwa ubu. Okwangoku, metal ngokubanzi enkulu okanye barometers aneroid.

womoya kukukwazi ukuphembelela emzimbeni womntu. Umzekelo, kwimeko yokuhla uxinzelelo lomoya wazibona ebantwini uphefumla ngokukhawuleza kwaye izinga lentliziyo, kwakunye asezantsi uxinzelelo lwegazi. Isiseko impembelelo engentle AD anoxia yabantu isebenza ekunciphiseni uxinzelelo lomoya kunciphisa uyondelelwano lwee- ioksijini, ngoko ingena emzimbeni womntu ngezixa ezincinane, ukuze ngalo ndlela kuveliswe anoxemia. Le nto ibonakala phambi umsebenzi kunye ukunyuka ukuya phezulu kakhulu. Nangona kunjalo, a xi eqhelekileyo umoya ngokwendlela akukho ndlela kuchaphazela isimo umzimba womntu.

Anoxia ebangela of vertigo, isicaphucaphu nokugabha, incoordination nokudinwa. Ngaphezu koko, le ngeegesi zifumaneka iphecana zesisu, uwatwabulule izibilini uvalo itshintsha, nto leyo ekhokelela ukuba ukuphelelwa umoya kunye ukuphazamiseka iimpahla sentliziyo kunye negazi.

uxinzelelo lwegazi oluphezulu lungabangela intloko ebuhlungu, iintlungu entliziyweni, ukunyusa uxinzelelo lwegazi, okukhokelela angina okanye tachycardia. Lonke utshintsho emzimbeni womntu kwenzeka kumazinga aphezulu utshintsho kwezalathisi yoxinzelelo lomoya.

Ngoko ke, eqhelekileyo emoyeni kwi bar omnye. kanye Ubukhulu womoya akwenzeki njalo, loo iyahluka ngokuxhomekeke kwixesha lonyaka nemini, ukususela kwendawo, ukuma ngokwejiyografi amazwekazi neelwandle.

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