Mene ne bambanci arteries daga jijiyoyinmu: fasali na tsarin da aiki na

Sistem sakulasan ne sistem na mutum, sai dai zuciya, ta ƙunshi wani daban-daban size, diamita, tsarin da ayyuka na tasoshin. Mene ne bambanci arteries, jijiyoyinmu da capillaries? Mene ne fasali na tsarin sa yiwu aiwatar da muhimman ayyukan? Wadannan da sauran tambayoyi za su sami amsa a cikin wannan labarin.

jijiyoyi

Yin jini ayyuka ne zai yiwu saboda da tashin tare da jini jirgin ruwa tsarin. Yana bayar da rhythmic contractions daga cikin zuciya ayyuka kamar famfo. Motsi ta cikin jini, jini transports gina jiki, oxygen da kuma carbon dioxide, kare jiki da pathogens, tabbatar da homeostasis na ciki yanayi.

Domin tasoshin hada da jijiyoyi, capillaries da kuma jijiyoyinmu. Su ayyana jini hanya a cikin jiki. Mene ne bambanci na jijiya jijiyoyinmu? Located a cikin jiki tsari da kuma ayyukan yi. Bari mu bincika su daki-daki.

A jijiya bambanta daga jijiyoyinmu: da peculiarities na

Jijiyoyi - kwanonin da samar da jini ya kwarara daga zuciya zuwa tsokoki da kuma gabobin. The most jijiya a cikin jiki ne ake kira da kalmar "lakã". Ya zo kai tsaye daga zuciya. A cikin jijiyoyi da jini motsi a karkashin babban matsin. Don ya raya shi, ya dace tsarin da katangu. Sun kunshi uku yadudduka. A ciki da kuma m kafa connective nama da kuma matsakaici - tsoka zaruruwa. Saboda wannan tsarin, waɗannan kwanoni ne iya mikewa, kuma ta haka ne zai iya tsayayya da cutar hawan jini.

A tsarin da jijiyoyinmu ne daban-daban daga cikin tsarin da arteries? Da farko tasoshin wani irin kawo jini daga cikin gabobin da kyallen takarda zuwa ga zuciya. Bayan da ta shiga duk Kwayoyin da gabobin, shi ne tare da cikakken carbon dioxide, wanda yake kawo haske.

Wani muhimmin tambaya - wannan shi ne bambanci tsakanin tsarin da jijiya da ganuwar da jijiyoyinmu. A karshen da thinner tsoka Layer, shi ne saboda haka kasa na roba. Kamar yadda jini gudana a cikin jijiyoyinmu karkashin kadan matsa lamba, su stretchability ba kamar yadda muhimmanci.

The girma na cikin jini a cikin tasoshin daban-daban iri nuna daban-daban na zub da jini. Lokacin da na jijiya jini tare da wani karfi saki mai pulsating marmaro. Yana mulufi kamar yadda oxygenated. Amma tare da venous - shi ya bi wani jinkirin rafi, kuma yana da duhu launi. Aka ƙaddara ta a manyan adadin carbon dioxide.

Mai jannayẽnsa lumen ne na musamman aljihu bawuloli cewa hana jini motsi a gaban shugabanci.

capillaries

Mene ne bambanci arteries daga veins, mu fahimta. Bari mu kula da karami jini - capillaries. Sun kafa musamman irin rufi nama - endothelium. An kwashe ta hanyar metabolism tsakanin interstitial ruwa da kuma jini. Saboda wannan akwai wani ci gaba da musayar gas.

Jijiya barin zuciya, karya up cikin capillaries da suke dace to kowane cell na jiki, tattara abubuwa masu kyau cikin venules. A karshen, bi da bi, suna da alaka to ya fi girma tasoshin. Suna da ake kira jijiyoyinmu, wanda wani bangare ne na zuciya. A wannan ci gaba da jini capillaries tafiya taka muhimmiyar rawa na kai tsaye lamba tsakanin jini abubuwa da sel da dukan kwayoyin.

The motsi na jini ta hanyar tasoshin

Mene ne bambanci arteries daga veins, da kuma nuna ginshikai na jini ya kwarara. A lokacin ƙanƙancewa na zuciya tsoka da jini karfi tura a cikin jijiya. The most of su - da lakã, da matsa lamba na iya isa 150 mmHg. Art. A capillaries ne ma rage ga matakin 20. The m venous matsa lamba ne kadan da kuma nawa ga 3-8 mm Hg. Art.

Mene ne sautin da jini?

A cikin al'ada yanayin da jiki dukan kwanonin ne a wani undervoltage yanayin - sautin. Idan sautin da aka kara, da jini fara kunkuntar. Wannan take kaiwa zuwa ƙãra matsa lamba. Lokacin da wannan yanayin zama barga isa, akwai wani yanayin da ake kira hauhawar jini. Baya lengthy decompression tsari - hypotension. Duka wadannan cututtuka ne mai hadarin gaske. A gaskiya a cikin farko idan wani jijiyoyin bugun gini da yanayin zai iya kai ga rushewa daga da mutunci, kuma a karo na biyu - da tabarbarewar jinin samar wa gabobin.

Summing up: da daban-daban arteries na jijiyoyinmu? Wannan musamman tsarin da ganuwar, da gaban da bawuloli, da wuri dangi zuwa ga zuciya da kuma ayyuka yi.