Zuciya tana daga cikin mahimman gabobi Me muke da shi a cikin jikinmu. Tana cikin kirjinmu wanda shine gwaiwa kuma tana tsakanin huhun huhu biyu. Girmansa kamar na dunkulallen hannu ne kuma yawanci yana ɗaukar kusan gram 300, na babba zai iya kaiwa 450 g.
Zuciya tana da aiki mai mahimmanci kuma ya zama ci gaba da harba jini zuwa dukkan sassan jikin mu kuma don yin hakan dole ne muyi tunanin cewa yana da babban juriya da karko. Wannan shine dalilin da ya sa dole ne mu kula da yanayinku sosai, tare da yin motsa jiki matsakaici kuma abinci mai kyau.
Menene zuciya?
Gwaji ne mara girma kamar girman dunkulallen hannu kuma yayi kama da pear Tana tsakanin huhun biyu, a cikin kejin haƙarƙarin. Matsayinsa ya ɗan karkata zuwa hagu tare da ɓangaren da aka nuna a ƙasa.
Babban aikin zuciya shine ci gaba da harba jini zuwa kowane kusurwar jikin mu. A cikin wannan aikawar jini zai yi hakan ta hanyar motsi da kuma za a ɗora shi da oxygen mai tsabta samu daga huhu. Wannan jinin zaiyi tafiya ta bututun da ake kira jijiyoyi da Zai rarraba wannan iskar oxygen a cikin dukkan ƙwayoyin halitta, kyallen takarda, da gabobi.
Yadda jini yake gudu daga iskar oxygen dole ne ya koma huhu don yin caji da iskar oxygen. Zai isa huhu kuma za'a fara tsabtace shi, tunda an loda shi da shara, kuma zai sake cika da oxygen don ratsa zuciya kuma sake fara sake zagayowar.
A matsayinka na shiga dole ne ka san cewa zuciya kwangila tsakanin sau hamsin da ɗari a minti ɗaya lokacin da muke hutawa, ba tare da motsa jiki ba. Wannan ya kusan kusan sau XNUMX a rana. Y Yana kulawa da tsinka kusan lita 10.000 na jini kowace rana a cikin jiki. Muna da jini kusan lita 5 a cikin jiki kuma zasu kasance sune suke ta yawo koyaushe daga zuciya zuwa jikin mu. Akwai lokuta da yawa da jinin zai zagaya cikin zuciyarmu cewa wadancan lita 5 suna fassara zuwa wadancan lita 10.000 a kowace rana.
Ayyukanta dalla-dalla
Tare da wannan zane da muka nuna maka, zai zama da sauƙin sanin yadda zuciyarmu take aiki mataki-mataki.
- Bangaren launin ja shine jinin da za'a ɗora masa oxygen. Sabili da haka, jinin da yake zuwa daga huhu tare da iskar oxygen shigar da zuciya ta jijiyoyin jijiyoyin dama da hagu.
- Zasu shiga atrium na hagu kuma suyi tafiya zuwa gefen haguDaga nan ne za a motsa shi ta cikin jijiyoyin domin a rarraba jinin zuwa ga dukkan sassan jiki.
- Jinin kan dawowarsa zai dawo ba tare da iskar oxygen ba ta hanyar jijiyar jijiya da ta baya shiga ta atrium na dama, wucewa zuwa gefen hagu na dama da barin rarraba ta jijiyoyin huhu na hagu da jijiyar dama na jijiyar jini.
- Wannan jinin yana komawa huhu don caji da oxygen kuma sake fara wannan zagaye.
Son sani na zuciya
- Zuciya yi sauti lokacin bugawa, wani abu kamar "ducta-duc".
- Kamar yadda muka fada zuciya iya doke tsakanin 50 da 100 doke a minti daya kuma a kowacce tsiya yakan fitar da mililim 80 na jini. Lokacin da muke motsa jiki, zuciya tana bugawa da sauri kuma jini yana gudu da sauri cikin jiki.
- Zuciya tana bugawa a kan wani babban sikelin har Sau 30 miliyan a shekara.
- Farkon dashen zuciya shi ne ranar 3 ga Disamba, 1967 by babban likitan afirka ta kudu Karin Barnard.
- Zuciyar da aka dasawa mafi tsawo shine Shekaru 22, wata 10 da kwana 24.
- Hirar hagu ta fi ta dama ƙanƙan. Wannan saboda barin dakin zuciya.