Kwayoyin jijiyoyin jini - ɗaya daga cikin muhimman tsarin tsarin jiki

Dangantakar, aiki mai kyau na jikin mu ba zai yiwu ba tare da cikakkiyar tanadin kowane ɗayansa tare da oxygen da kayan abinci. Bugu da ƙari, cikakke da kuma dacewa da janyewar sharan gona na abubuwa masu amfani da shi yana da mahimmanci. Zaman zaki na waɗannan ayyuka ana ɗauka ta hanyar tsarin jijiyoyin jini. Sakamakon haka, lafiyar jikinmu ya dogara da yanayinta.

Dabbobi daban-daban da cututtuka a cikin aikin tsarin kwakwalwa, bisa ga atherosclerosis na tasoshin, yanzu suna daya daga cikin manyan matsalolin maganin zamani. A gefe guda, jikin mutum, tare da shi tsarin kwakwalwa, yana ci gaba da fuskantar tunanin mutum da tunanin jiki - mummunan ilimin halitta, damuwa, abinci mai gina jiki, da dai sauransu. Kuma a daya - duk samfurorinmu, waxanda suke samo kayan abinci, ana sarrafa su ta hanyoyi daban-daban, yayin da rasa yawancin abubuwan da suka dace. A sakamakon haka, akwai kasawa da kayan abinci, kuma tare da shi "kasa" na kiwon lafiya.

Tsarin zuciya na jijiyoyin mutum shine ɗaya daga cikin muhimman tsarin tsarin jiki, yana da alhakin yin irin waɗannan ayyuka kamar yadda ake kawo kayan abinci, hormones, gases da samfurori na samfurori daga kuma zuwa kwayoyin halitta, kariya daga ƙwayoyin waje da magungunan microorganisms, tsari na yanayin jiki. Duk waɗannan ayyuka ana yin su ta hanyar lymph da jini. Jini ne wani ruwa connective nama, jijiyoyi na jini, da kuma Lymph - a na ruwa, m ruwa dauke da fari da maikacin jini , da located in lymphatic tasoshin.

Mene ne tsarin tsarin zuciya yake?

Babban sassan tsarin jijiyoyin jini shine tasoshin jini (veins, arteries da capillaries) wanda ke rufe dukkanin kwayoyin da tsarin, da kuma zuciya, wanda shine babban sakon kwayoyin tsarin. A kan yadda "lafiya" ko "ba lafiya" tasoshin ku dogara ne akan aikin jiki gaba ɗaya. Nauyin zuciya ya kai kimanin 300 grams, kuma girman ya daidaita da ƙuƙwalwar hannu. Zuciya na iya fitar da lita 5 na jini a minti daya a cikin ƙasa mai kwantar da hankali da kuma 25-35 lita / min. A cikin aikin jiki.

Babban aiki na zuciya shine yunkurin jini a cikin tasoshin; Ya ƙunshi biyu ventricles yin aikin da famfo, da kuma biyu atriums wanda aka tattara jini. A cikin hagu mai kyau, jini mai zub da jini ya tara daga dukan jiki, kuma a hagu - jini na jini daga huhu. Ganuwar zuciya ta kunshi nau'i uku: da pericardium, myocardium da endocardium. Da rawar da haddasa a cikin aikin da zuciya nasa ne da tsakiyar Layer - da myocardium, wanda shi ne ta watsi ragi samar da jini a waje da zuciya.

Zuciya da jijiyoyin jini tsarin da aka kafa ta biyu da'irori dabam dabam: ƙanana da manyan. Babban ya samo asali a cikin hagu na ventric, kuma ya ƙare a dama, ya ba da jini ga dukan kwayoyin jikin da jikin jikin. Na huhu wurare dabam dabam ƙuntata jini wurare dabam dabam a cikin huhu, wanda aka wadãtar a oxygen daga dama ventricle fara da ƙare da hagu atrium.

Zuciyar zuciya ce mai zurfi, a hankali kuma aiki a fili, yana ba da jiki tare da jini da oxygen a duk tsawon rayuwar, wata kwayar murya. Duk wani pathological canje-canje na jini ya kunsa take hakkin aikin gayya gabobin da kuma tsarin, da kuma ci gaban cututtuka daban-daban, irin misali a matsayin zuciya da jijiyoyin jini gazawar. Babban alamun shi ne: rauni, kumburi, rashin ƙarfi na numfashi, m zuciya. Kwayoyin cututtuka, a mafi yawan lokuta, suna fitowa da hankali, yayin da cutar ta tasowa sannu a hankali, don haka yana da matukar muhimmanci a gano shi nan da nan.