hoa hoat dong of cac co wan.CAU TAO &CHUC NANG CUA NAO TRUNG JAN:gom chat trang o ngoai chuyen tiep cac duong dan truyen tu duoi nao &chat xam o trong la ca[r]
(1)BAI TIET:la qt giup co the thai cac chat can ba moi truong ben ngoai.VAI TRO:giup co the thai cac chat can ba hoat dong trao doi chat of te bao tao & du thua,dam bao tinh on dinh of moi truong tao dieu kien thuan loi cho hoat dong trao doi chat dien binh thuong.HE BAI TIET NUOC TIEU GOM :than fai,than trai,hai ong dan,bong dai va ong dai.cau tao of than gom fan:fan vo(gom cau than,nang cau than,ong than),fan tuy(gom ong than thong vs be than).than co khoang 2000000 don vi chuc nang de loc mau va tao nuoc tieu.moi don vi chuc nang gom:cau than,nang cau than va ong than.: BAI TIET NUOC TIEU GOM qt lon 1.TAO THANh NUOC TIEU gom qt nho:qt loc mau(o cau than,de tao nuoc tieu chinh thuc),qt hap thu lai(dien o ong than,de hap thu lai cac chat can thiet nh :cac chat dinh duong,nuoc,Ca,Na,Cl->ket wa tao nuoc tieu chinh thuc),qt bai tiet tiep(o ong than,la qt bai tiet cac chat thua,cac chat thai va tao nc tieu)2.THAI NUOC TIEU:mau tuan hoan lien tuc wa than->nc tieu duoc hinh lien tuc.sau dc hinh thanh,tich tru bong dai,khi bong dai len toi 200 ml tao ap luc gay cam jac buon di tieu xuat hien,kich thich cac co vong mo de bai tiet ngoai.DA gom lop:lop bieu bi(tang sung la cac te bao chet,sep sit nhau;tang bieu bi song la nhung te bao hinh tru xep sit &co kha nang fan chia cac te bao moi,co cac hat sac to luon day ngoai de thay the lop te bao hoa sung va choc ra),lop bi(co soi mo lien ket ben chat vao & co cac co wan nhu chan long ,bao long,tuyen nhon ,tuyen mo hoi,day than kinh va mach mau),lop mo duoi da gom cac te bao mo xen ke vs mach mau va cac day than kinh.CHUC NANG CUA DA:tao ve dep,bao ve co the,dieu hoa than nhiet,bai tiet,tep nhan kick thich,du tru nang luong .NORON co fan:than noron(gom than &soi nhanh),soi truc(gom bao mielin & cucxinap:noi noi tiep jua cac noron,jua cac bao meilin la cac eo rangvie.CHUC NANG CUA NORON cam ung&dan truyen xung than kinh.HE THAN KINH co fan:bo fan trung uong (gom nao nam hop so&tuy song nam (.) cac ong xuong song),bo fan ngoai bien(co day than kinh noi jua cac co & hach than kinh.CHUC NANG OF HTK:dieu hoa hoat dong of cac co wan,dieu khien co the.Co loai htk:van dong&sinh duong.DAY THAN KINH TUY:co 31 doi.moi day gom re:re truoc la re van dong gom cac bo soi than kinh li tam noi vs song va co wan van dong la co van,re sau la re can giac gom cac bo soi than kinh huong tam noi co wan thu cam vs song.cac lo di tu lo gian dot tao day than kinh tuy.CHUC NANG OF DAY THAN KINH TUY:dan truyen xung cam giac va xung van dong(day pha).chuc nang of re tuy:re truoc dan truyen xung van dong(li tam),re sau dan truyen xung cam giac(huong tam)
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