Kuchengeta kuyerera kweropa kuburikidza nemwoyo hakusi nyore sezvazvinogona kuonekwa. Mwoyo inhengo yakaoma, kushandisa makamuri mana, mavhavha mana , uye mishonga yakawanda yeropa kupa ropa kumuviri. Iyo inoyerera mukati memo yakaoma zvakaenzana, neropa richifamba nemwoyo, zvino mapapu, asati adzokera zvakare kumoyo.
Ropa rinodzokera kumwoyo kubva mumuviri kuburikidza nemidziyo miviri yeropa yakakura inonzi supreme vena cava uye iyo yakaderera vena cava.
Iri ropa rine oxygen shoma, sezvo iri kudzoka kubva mumuviri umo oxygen inoshandiswa.
Ropa rokutanga rinopinda paatrium yakarurama. Iyo inobva ichiyerera ichibva muvhariyumu inonzi tricuspid kupinda mu ventricle yakarurama. Apo mwoyo unorova, mhepo inoputira ropa iro kuburikidza ne pulmonic valve mu pulmonic artery. Iyi ariti yakasiyana: Ndiyo chete arteri mumuviri womunhu inotakura oksijeni-varombo ropa.
Iyo arteriyumu inotakura ropa kumapapu uko "inotora" oksijeni, uye inobva mumapapu uye inodzokera kumwoyo kuburikidza nemapinimic yevini. Ropa rinopinda kuruboshwe rweseri, ndokuburuka kuburikidza nemagiratiro emitral kusvika kuruboshwe rweseriki. Ikoko kuruboshwe rwemhepo iyo inoputira ropa kuburikidza ne-aortic valve, uye mu-aorta, ropa rinotungamirira kune imwe muviri wose.
Zvakaoma, handizvo here?
Izvi zvinogona kuita kuti zvive nyore: Pasina mavhapiti, mhepo dzomumwoyo dzisingagoni kukudziridza simba chero ripi zvaro.
Zvingaita sekuputira tete rakaputika rine gomba guru mairi. Iwe unogona kupomba zvose zvaunoda, asi dhayi haizomboiti. Mune mhaka yemwoyo, ropa raizopinda mukamuri, uye rinongomira mukati mekamuri uye kunze kwevhavha iri pasi, kana kuti zvichikwira nenzira isina kururama nguva dzose apo mhepo yakashanda ichiedza kuputira ropa.
Panzvimbo pacho, ivhavha iri pamusoro pemhepo imwe neimwe inotanga kuibvumira kuti izadze, asi valve iri pasi inoita kuti ropa rirege kubuda. Apo ganda rinenge razara, vhuvha yepamusoro inovhara uye valve yepasi inotanga. Mhepo inopinza ropa iri kunze nesimba kuburikidza nevhavha yepasi. Chaizvoizvo, mavhavha anochengeta ropa richiyerera nenzira yakarurama kuburikidza nemwoyo.
Kutaura muchidimbu:
Ropa rinosiya mwoyo uye unoenda kumatumbu emuviri kupa oxygen uye kuita mamwe mabasa anotsigira upenyu. Ropa ipapo rinodzokera kumwoyo. Chokutanga, ropa rinopinda mukati mekutenderera kwakarurama, rinopfuura nepakati pemagetsi, uye rinopinda nenzira yakarurama ye ventricle. Iyo inofamba ichipfuura nepasvini ye pulmonic, kupinda mumapurmita arteri kumapapu. Mushure mokutora okisijeni mumapapu, ropa rinobuda kunze kwemapapu kupinda mumapupa emapurmonary, kusvika kuruboshwe rwemarerium, kuburikidza nemagetsi emagetsi, uye mune simba rakasara rinenge riri kuruboshwe rinosundira ropa kumuviri kuburikidza nevharopu ye aortic. Kana kamwe ropa richibva pamwoyo iri mu-aorta iyo inoyerera kumativi akasiyana emuviri.
Sources:
> Kubata Anatomy uye Basa reMwoyo. YourHeartValve.com/Edwards Lifesciences. http://www.yourheartvalve.com/heartbasics/Pages/heartanatomy.aspx
> Mwoyo Anatomy. The Texas Heart Institute muSt. Luke's Episcopal Hospital. http://www.texasheart.org/HIC/Anatomy/anatomy2.cfm