He aha e nga mahi o te pūnaha reretoto?

Toto me ētahi atu fluids tinana pērā i waitinana, ka kiko inu, riro te taiao ā-. Toto ko te ahua motuhake o te kopa tūhonohono, no te mea o phylogenetically me whanaketanga kua hanga e te reira i wae embryonic tūhonohono kiko - mesenchyme. Ko te pūnaha circulatory ko te whatunga o oko toto me kōwhao ngakau, hoki i reira ko te tohanga tamau me te tonu o te toto. He aha e te pūnaha circulatory? I roto i whakautu tenei pātai, ka taea e koe te tuhituhi te pukapuka, no te mea he whānui te mahi o te pūnaha reretoto. Tenei waka o matū faufaa me pūhui kaha biologically e whakarato mana me te whanaketanga atu o ngā pūtau me te kopa o te tinana tangata katoa, he mea faufaa mahi utu hau ko ki mau tonu te pēhanga me osmotic pūmua hautau, komuhumuhu i roto i te bloodstream. Ki nga mahi pūnaha reretoto pā ana hoki te mana tika o ngā āhuatanga o waho, me te ā o te whakautu ārai e e tiaki i te tinana i āpiha hopuhopu, me te tahi atu manene ke ia huānga motuhake takitahi.

e kore e taea ki te tango i te wahi ki te kore i reira mo te tamau, tonu puta noa i te rere toto ora, ka karanga tohanga extracorporeal te pūnaha circulatory. Heart ki oko toto rave rahi (pera nui, uaua, arterioles, tōiti me venules), me te pūnaha lymphatic kėia he pūnaha iaia kotahi o te tinana tangata. Ko te mahi o te pūnaha circulatory kau te tango i ngā hua o te hāora, me te tahi atu tauhohe e puta i roto i te tukanga o te pākia e, e riro tino kino, me te paitini mo nga mea timatanga pūtau, ki te kahore e excreted ratou eleminirovat. āhuatanga hanganga o te toto hanga ture humoral , ka whakarato te mana oti ki runga i te mahi o nga whekau katoa me ia o nga pūnaha.

Toto, ka rite ki te pūnaha circulatory taonga rauemi ngā o rua nga wahi: he wai, ranei wē, me te tikaokao i hanga huānga maroke (platelets, leukocytes me erythrocytes). Ko te ōwehenga o enei hautau i runga i toharite ko 1: 1.5, a nona 40% wē ōrau me corpuscles 60% toto katoa. Wē (wai wahi) ko te reo koiora rawa matatini, me te ahurei, 90% o te i te wai. Ko te toe 10% o te wē puta i roto i te pūmua, waikawa amino, complexes kohuke, kūhuka, ngā pūnaha papare, hormones, hau rewa, huaora, whākōkī, me ētahi atu

Ko te mahi o te pūnaha circulatory ki te whakarato i wātea i te mate humoral e pā ana ki wē toto. mea Ki te pā ki te mea timatanga i hanga me e whai ratou e toru mahi rawa rerekē: i te pūtau toto whero - manawa, i roto i leukocytes - Protective i roto i platelets - upoo-.

Kei roto i te pūtau toto whero te ngarahu rino-kei roto nui, ka karanga pūtoto. te Kereru te reira i te waka o te hāora i te rangi i waho ki te pūtau, me ngā pūtau o te hauhā he putanga ki te taiao o waho. He maha ngā momo o ngā pūtau ma toto, me ia o ratou kua he mahi faufaa. hanga ratou wātea i te mate pūtau-takawaenga, i roto i to ratou takarepa whakawhanake huru pathological mōrearea, he tauira nui o e ko HIV. āhuatanga kaha upoo- me te whakawhāititanga tūturu anake i roto i platelets, tona hē ai toto rerekē, e rua waho, me te ā, me e taea te taikaha meinga clots toto e Toke te lumen o oko toto, me te ārai i te rere noa o te toto.

Ko nga mea katoa te mahi o te pūnaha circulatory, tona tūranga i roto i te oraraa o te taata he whakakorekore.