Ta yaya jini ke tafiya a cikin jikinka? (Gudun Jini da Tsarin Zagayawa) Bari mu gano ta hanya mai sauƙi!

Shin ka taɓa tsayawa kana mamakin yadda wannan abu mai suna jini ke yawo a jikinmu ba tare da wata matsala ba? Shin ba abin mamaki ba ne? Kowace daƙiƙa da zuciyarmu ke bugawa, wannan ƙaramin famfo yana motsa jinin ta cikin tsarin bututu a jikinmu. Wannan shine abin da muke kira ' Tsarin Zagayawa' . Waɗannan bututun suna kama da bututun roba masu sassauƙa waɗanda ke ɗaukar jini zuwa kowane ƙaramin sashe na jiki. To, bari mu yi magana game da wannan dalla-dalla?

Me ya sa jini yake da daraja a gare mu?

Jini hakika muhimmin bangare ne na rayuwarmu. Ka yi tunani, wannan jinin ne ke taimaka wa kowace ƙaramar ƙwayar halitta da kyallen jikinmu su rayu da aiki. Ga manyan abubuwan da ke faruwa da jini:

• Jini yana ɗaukar muhimman iskar oxygen da abubuwan gina jiki zuwa kyallen jikinmu, kamar kawo abinci da abin sha zuwa gidajenmu.
• Jini kuma yana taimakawa wajen cire iskar carbon dioxide da ba a so da sauran sharar da ke taruwa a cikin kyallen takarda da kuma fitar da su daga jiki, kamar fitar da shara a gidanka.
• Saboda duk wannan, jini yana da mahimmanci don ci gaba da rayuwarmu da kuma kiyaye kowace sashin jikinmu lafiya .

Shin ka fahimci yadda jini yake da daraja?

Akwai manyan nau'ikan jijiyoyin jini guda uku!

Akwai manyan nau'ikan jijiyoyin jini guda uku a jikinmu da ke taimakawa wajen motsa wannan jinin. Kamar yadda hanyoyi ke da manyan hanyoyi, ƙananan hanyoyi, da kuma tituna a gefe.

1. Jijiyoyi - jijiyoyin da ke ɗauke da jini mai tsabta daga zuciya

Jijiyoyi sune jijiyoyin jini waɗanda ke ɗauke da jini mai yawan iskar oxygen (yawanci ana nuna shi da ja a zane-zane) da kuma abubuwan gina jiki daga zuciyarmu zuwa ga sauran kyallen jiki. Ka yi tunanin zuciya kamar famfon ruwa ce, kuma jijiyoyin jini kamar manyan bututu ne da ke ɗaukar ruwa mai tsabta daga wannan famfon zuwa ga lambun gaba ɗaya.

• Wannan tsarin jijiyoyin jini yana farawa ne da aorta, babban bututun jini da ke fitowa daga zuciya. Yana kama da babban bututun da ke fitowa daga babban tankin ruwa.
• Waɗannan suna ɗauke da jini mai yawan iskar oxygen daga zuciya zuwa dukkan kyallen jiki.
• Yayin da kake nesa da zuciya, waɗannan jijiyoyin suna rabuwa zuwa rassan, a hankali suna ƙarami. Kamar yadda babban kogi ke raba zuwa ƙananan rafuka.

Don haka, babban aikin jijiyoyin jini shine rarraba jini mai kyau a cikin jiki .

2. Capillaries - ƙananan cibiyoyin musayar kuɗi

Kafafun jini suna da ƙananan jijiyoyin jini masu kyau sosai. Waɗannan su ne abin da ke haɗa manyan jijiyoyin jini guda biyu, jijiyoyin jini da jijiyoyin jini. Ka yi tunanin su a matsayin jerin ƙananan tituna tsakanin manyan hanyoyi guda biyu.

• Bangon waɗannan capillaries ɗin siriri ne sosai, kamar raga.
• Waɗannan siririn bango suna ba da damar abubuwa masu kyau kamar iskar oxygen da abubuwan gina jiki su wuce daga jini zuwa ƙwayoyin nama, kuma abubuwa marasa amfani kamar carbon dioxide da sharar da aka samar a cikin ƙwayoyin nama suna komawa cikin jini . Kamar musayar kaya ne a kasuwa.

A gaskiya ma, wannan muhimmin musayar bayanai a matakin ƙwayoyin halitta na jiki yana faruwa ne ta hanyar waɗannan ƙananan ƙwayoyin halitta. Suna da ƙanana sosai, a zahiri, har wasu ƙwayoyin halitta sun fi gashinmu siriri! Amma aikin da suke yi yana da girma, ko ba haka ba?

3. Jijiyoyi - jijiyoyin da ke ɗauke da jini mara tsarki zuwa zuciya

Jijiyoyin jini sune jijiyoyin jini waɗanda ke ɗauke da jinin da ya ƙare da iskar oxygen, ko kuma jini "datti" (yawanci ana nuna shi da shuɗi a zane-zane) daga kyallen jikinmu zuwa zuciya. Yana kama da tsarin bututu wanda ke tattara ruwan da aka yi amfani da shi sannan ya mayar da shi cikin tanki.

• WannanJijiyoyin jini suna ɗaukar jini ƙasa da iskar oxygen da kuma yawan iskar carbon dioxide daga kyallen jikin mutum zuwa zuciya.
• Yayin da waɗannan jijiyoyin suka kusanci zuciya, sai su haɗu su yi girma. Kamar ƙananan rafuka suka haɗu suka samar da babban kogi.
• A ƙarshe, wata babbar jijiyar da ake kira "superior vena cava" tana kawo jini daga kai da hannaye zuwa zuciya. Hakazalika, wata babbar jijiyar da ake kira "inferrior vena cava" tana kawo jini daga ciki da ƙafafu zuwa zuciya.

Don haka babban aikin jijiyoyin jini shine dawo da jinin da ke ɗauke da sharar da ke taruwa a jiki zuwa zuciya sannan a mayar da shi don tsarkakewa .

Yaya girman wannan tsarin jijiyoyin jini ya fi yadda kake tsammani?

Yanzu za ku iya ganin yadda tsarin jijiyoyin jini, jijiyoyin jini, da jijiyoyin jini ke da sarkakiya a jikinmu. Shin kun san cewa tsarin jijiyoyin jini gaba ɗaya - wato, dukkan jijiyoyin jini, jijiyoyin jini, da jijiyoyin jini a hade - ya wuce tsawon mil 60,000 ! Jininmu yana gudana ta cikin wannan babban tsarin koyaushe. Kamar hanyar sadarwa ce ta hanyoyi a cikin birni, tare da motoci suna komawa baya koyaushe. Don haka wanda ke taimakawa wajen fitar da duk wannan jinin a cikin jiki shine zuciyarmu . Shine wanda ya jagoranci wannan duka tsari.